Environmental physicist Pascal Bohleber from the Austrian Institute for Interdisciplinary Mountain Research, digs out a cooling box from the snow on Gepatschferner glacier at Weissseespitze summit at 3,500 meters above sea level near Feichten im Kaunertal, Austria, March 21, 2019. Scientists from the Austrian Institute for Interdisciplinary Mountain Research are seeking Austria's oldest ice at the top of the Weissseespitze summit. They have drilled to the bottom of the comparatively undisturbed glacier to extract samples of its ice, which is being analysed for information on the local climate thousands of years ago. REUTERS/Lisi Niesner