bild
Bundesraetin Doris Leuthard, rechts, und der Deutsche Verkehrsminister Peter Ramsauer unterzeichnen den Flugverkehr-Staatsvertrag zwischen der Schweiz und Deutschland, am Dienstag 4. September 2012, in Bern. (KEYSTONE/Peter Schneider)......Swiss minister of transport Doris Leuthard, right, and German minister of transport Peter Ramsauer sign the long disputed agreement on air trafficing between Switzerland and Germany in Bern, Switzerland, Tuesday, September 4, 2012. (KEYSTONE/Peter Schneider) ......Swiss minister of transport Doris Leuthard, right, and German minister of transport Peter Ramsauer sign the long disputed agreement on air trafficing between Switzerland and Germany in Bern, Switzerland, Tuesday, September 4, 2012. (KEYSTONE/Peter Schneider)