switzerland, engadine, morteratsch glacier, aerial september 2019

aerial alps argient bellavista bernina canton change climate crest crevasse engadina environment excursion glacier global grisons guzza high ice lace landscape massif melting moraine morteratsch mountain mountaineering nature outdoor panorama panoramic peak peaks perennial piz pontresina retreat scenery scenic seracs sky snow swiss switzerland thaw tourism travel trekking valley view warming zupasup2