Bernina mountain range from atop Muottas Muragl near St. Moritz, Switzerland, Europe

Flying over Piz Bernina and Piz Roseg in winter, Engadine, Switzerland, Europe

Aerial by drone of Lake Silvaplana and Bernina mountain range in summer, Engadine, canton of Graubunden, Switzerland, Europe

Aerial panoramic of Bernina mountain range and Pizzo Scalino lit by sunrise, Valmalenco, Valtellina, Lombardy, Italy, Europe

Peaks of mountain range reflected in alpine lake, Bernina Pass, Poschiavo Valley, Engadine, Canton of Graubunden, Switzerland, Europe

Aerial view of Monte Disgrazia and Bernina mountain range at dawn, Valmalenco, Valtellina, Lombardy, Italy, Europe

Sunrise at high altitude with Bernina mountain range in the background, Valmalenco, Valtellina, Lombardy, Italy, Europe

River flowing through Morteratsch valley at dawn with Bernina range in the background, Bernina range, Engadin, Grisons, Switzerland

Two hikers at bivouac at Passo Canfinal (Passo Confinal), Bivacco Rasconi e Anghileri, peak Piz Roseg in background, Bernina range, Italy

swiss flag with ridge Biancograt, hut Tschiervahuette, Bernina range, Oberengadin, Grisons, Switzerland

Red Train of Rhaetische Bahn in front of mountain range of Bellavista, Piz Argient, Crast Aguezza, Piz Bernina, Piz Prievlus and Piz Morteratsch, Ferrovia Raetia, Bernina range, Bernina, Morteratsch, Oberengadin, Engadin, Grisons, Switzerland

Alpine village Alp Lago with Bernina range in background, Alp Lago, Val Malenco, Sentiero Roma, Bergell range, Lombardy, Italy

Stream in the mountains with view to Bernina range, valley of Morteratsch, Morteratsch, Bernina, Upper Engadin, Engadin, Grisons, Switzerland

Dramatic play of light in a small mountain lake below Piz Langalb with Bernina mountain range in the background, Engadin, Switzerland

Stream in the mountains with view to Bernina range, valley of Morteratsch, Morteratsch, Bernina, Upper Engadin, Engadin, Grisons, Switzerland

Woman smiling out of window of red train of Rhaetische Bahn at station Alpe Gruem, Alp Gruem, Ferrovia Raetia, Bernina range, Bernina, Puschlav, Grisons, Switzerland

Larch trees Larix decidua) in autumn, Bernina Range, Graubunden, Switzerland

Bernina Range with Mount Piz Bernina, 4048 metres above sea level, and Mount Piz Morteratsch, 3751 metres above sea level, Buendner Alps, Canton of Graubuenden, Switzerland, Europe

Bernina Range with Piz Bernina, Biancograd , Morteratsch Glacier, in autumn Graubunden, Switzerland

Rhaetische Bahn, Rhaetian Railway on the Bernina Pass, Lago Bianco lake, Engadin, Grisons, Switzerland, Europe

Meeting point of Pers and Morteratsch glaciers and Bernina Range, Grisons, Switzerland

Bernina Range, Grubunden, Switzerland

Aerial view over Val Poschiavo with its larch forests in autumn dress and the Bernina Pass road, Canton Graubuenden, Switzerland, Europe

Rhaetische Bahn, Rhaetian Railway on the Bernina Pass, Morteratsch Glacier, Engadin, Grisons, Switzerland, Europe

Ascent to Piz Morteratsch Mountain in front of the Bianco Ridge and Piz Bernina Mountain, Bernina Range, Grisons, Switzerland, Europe

Bernina Group with Rosegg Glacier and dramatic clouds at blue hour, St Moritz, Engadin, Grisons, Switzerland, Europe

Snow-covered glacier, Morteratsch glacier, Bernina Group, Engadine, Grisons, Switzerland, Europe

Rhaetische Bahn, Rhaetian Railway on the Bernina Pass, Morteratsch Glacier, Engadin, Grisons, Switzerland, Europe

Mountain lake Lej Suvretta with Bernina group and Engadine mountains with cloudy sky, St Moritz, Engadine, Grisons, Switzerland, Europe

Mountain lake Lej Suvretta with Bernina group and Engadine mountains with cloudy sky, St Moritz, Engadine, Grisons, Switzerland, Europe

Bernina Group with Rosegg Glacier and dramatic clouds at blue hour, St Moritz, Engadin, Grisons, Switzerland, Europe

A view of the Bernina Glacier taken from Diavolezza mountain, Engadine valley, Switzerland, Europe