Gerlinde Kaltenbrunner and Ralf Dujmovits on a visit to Cluster AF in 2011 shortly before their departure for K2,

Gerlinde Kaltenbrunner and Ralf Dujmovits on a visit to Cluster AF in 2011 shortly before their departure for K2,
together with Pablo d’Angelo, Tanja Kraus, Hartmut Friedl, Stefan Dech and Peter Reinartz