image

Technician Juergen Graeser of the atmospheric observatory of AWIPEV research station tests metorological measuring techniques used for radio probing in Ny-Alesund on Spitsbergen island, Norway, 09 April 2015. French and German scientists are working in the Arctic research station AWIPEV on the grounds of the former mining site on the Svalbard archipelago. Photo: Jens Buettner/dpa | usage worldwide (KEYSTONE/DPA/Jens Büttner)