Aerial flyover across the end of Morteratsch glacier in Engadin, Switzerland at dawn with a pan down from some of the tallest peaks of the Swiss Alps like Piz Bernina, Piz Palu

gletscher glaciers piz bernina morteratschgletscher glacier glacial bernina moraine piz palu crevasse swiss alps alps engadin morteratsch mountain mountains swiss graubuenden suisse alpine schweiz st moritz frozen altitude environment hike landscape ice switzerland climbing hiking graubunden cold sankt moritz adventure grissons aerial nature sunrise dawn overhead wanderlust drone flyover diavolezza climate change 4k europe summer