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SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel, pictured at the southern portal in Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 beim Suedportal in Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel under construction, pictured between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel under construction, pictured between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel under construction, pictured between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel under construction, pictured between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel under construction, pictured between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

Cross cut 35 in the Ceneri Base Tunnel under construction, pictured between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Querschlag 35 des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

An employee checks an electronics cabinet in a cross cut of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Ein Mitarbeiter prueft einen Elektronikschrank in einem Querschlag des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

Employees check an electronics cabinet in a cross cut of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Mitarbeiter pruefen einen Elektronikschrank in einem Querschlag des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The west tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Westroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

A construction worker and his bicycle in the east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Ein Bauarbeiter und sein Fahrrad in der Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

A construction worker on a bicycle in the east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Ein Bauarbeiter auf einem Fahrrad in der Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Die Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

A construction worker walks through a door in the east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Ein Bauarbeiter geht durch eine Tuer in der Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

A work train in the east tunnel of the Ceneri Base Tunnel between Camorino and Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Ein Bauzug in der Ostroehre des Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 zwischen Camorino und Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The southern portal Vezia of the Ceneri Base Tunnel under construction, pictured in Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Das Suedportal Vezia des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 in Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The southern portal Vezia of the Ceneri Base Tunnel under construction, pictured in Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Das Suedportal Vezia des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 in Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

The southern portal Vezia of the Ceneri Base Tunnel under construction, pictured in Vezia, Canton of Ticino, Switzerland, on February 5, 2019. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Das Suedportal Vezia des sich im Bau befindlichen Ceneri-Basistunnels, aufgenommen am 5. Februar 2019 in Vezia, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

A worker pulls power and communication cables in the east tunnel of the Ceneri Base Tunnel, between Lugano and Bellinzona, in the Canton of Ticino, Switzerland, on September 24, 2018. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Ein Arbeiter zieht Strom- und Kommunikationskabel in der Ostroehre des Ceneri-Basistunnels, aufgenommen am 24. September zwischen Lugano und Bellinzona, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL

Workers pull power and communication cables in the east tunnel of the Ceneri Base Tunnel, between Lugano and Bellinzona, in the Canton of Ticino, Switzerland, on September 24, 2018. With the 15.4 km long Ceneri Base Tunnel as a continuation of the Gotthard Base Tunnel, the new Gotthard railway line becomes a continuous flat railway for passenger and freight traffic through the Alps. (KEYSTONE/Gaetan Bally) Arbeiter ziehen Strom- und Kommunikationskabel in der Ostroehre des Ceneri-Basistunnels, aufgenommen am 24. September zwischen Lugano und Bellinzona, Kanton Tessin. Mit dem 15.4 km langen Ceneri-Basistunnel als Fortsetzung des Gotthard-Basistunnels wird die neue Gotthardbahn zu einer durchgehenden Flachbahn fuer den Personen- und Gueterverkehr durch die Alpen. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The installation site of the Swiss Federal Railways for the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

A road and new railway viaducts which lead to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The installation site of the Swiss Federal Railways for the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The installation site of the Swiss Federal Railways and a new railway viaduct which leads to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The installation site of the Swiss Federal Railways and a new railway viaduct which leads to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The installation site of the Swiss Federal Railways and a new railway viaduct which leads to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

A new railway viaduct leads to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

A road and new railway viaducts which lead to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

New railway viaducts which lead to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The installation site of the Swiss Federal Railways and a new railway viaduct which leads to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Provisional train tracks are installed at the installation site of the Swiss Federal Railways, to transport railway technology to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

New railway viaducts lead to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

A new railway viaduct leads to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

A railway infrastructure building at the construction site of the northern portal of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on provisional train tracks at the installation site of the Swiss Federal Railways, which will be used to transport railway technology to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Provisional train tracks are installed at the installation site of the Swiss Federal Railways, to transport railway technology to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The construction site at the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on provisional train tracks at the installation site of the Swiss Federal Railways, which will be used to transport railway technology to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

A new railway viaduct leads to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Part of the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The construction site at the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

A surveyor works at the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The construction site at the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

A new railway viaduct leads to the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

The construction site at the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)

SCHWEIZ NEAT CENERI BASISTUNNEL BAUSTELLE

Builders work on the northern portal Vigana of the Ceneri Base Tunnel, pictured in Camorino, Canton of Ticino, Switzerland, on February 22, 2017. The 15.4-kilometers-long Ceneri Base Tunnel is Switzerland's second largest tunnel-construction project. It passes under the Monte Ceneri Mountain and links Camorino (north) and Vezia (south). Together with the Gotthard Base Tunnel which opened in 2016, it forms the heart of the «New Railway Link through the Alps NRLA». The two Base Tunnels create a continuous flat north-south route. The Ceneri Base Tunnel is scheduled to be opened and become operational in 2020. (KEYSTONE/Gaetan Bally)