mountain climber crosses over a large and deep crevasse or bergschrund as he begins his climb of a steep north face of ice and sno

active adventure alpine alps arlas axe bergschrund bernina cambrena climb climber climbing cold crevasse dangerous deep diavolezza engadine glacial glacier grisons ice male man morteratsch mountain mountaineering outdoor people pers person piz pontresina range rope scenery scenic snow sports swiss switzerland torn view wild