Alpine wildflowers, the Eiger Glacier (Eigergletscher), and Monch mountain in the Swiss Alps, Switzerland, Europe

Eiger Glacier (Eigergletscher), between Monch (Monk) and Eiger mountains in the Swiss Alps, Bernese Oberland, Switzerland, Europe

Jungfraubahn funicular train with Eiger Glacier (Eigergletscher) behind in Swiss Alps, Bernese Oberland, Switzerland, Europe

Swiss Alps, Eiger and Moench, Bernese Oberland, Switzerland

Swiss Alps, Eiger and Moench, Bernese Oberland, Switzerland

Swiss Alps, Eiger and Moench, Bernese Oberland, Switzerland

Snowy mountain road, Aletsch Glacier, Languedoc-Roussillon, Switzerland

Excursion Boat at Castle Oberhofen at Lake Thun, Eiger (3970 m), Moench (4107 m) and Jungfrau (4158 m) in background, Oberhofen, Bernese Oberland (highlands), Canton of Bern, Switzerland

People on sun terrace of the mountain restaurant Pfingstegg, Schreckhorn (4078 m) and Eiger (3970 m) in background, Grindelwald, Bernese Oberland (highlands), Canton of Bern, Switzerland

Hikers on alp Pfingstegg (1391 m), Schreckhorn (4078 m) and Eiger (3970 m) in background, Grindelwald, Bernese Oberland (highlands), Canton of Bern, Switzerland

Hiker having a look at a watch, on the way to Schreckhorn hut, Lower Grindelwald glacier, Eiger and Moench in the background, Bernese Oberland, Switzerland

Panorama of glacier Grosser Aletschgletscher with Aletschhorn, Moench, Eiger, Wannenhorn, from Eggishorn, UNESCO World Heritage Site Swiss Alps Jungfrau - Aletsch, Bernese Alps, Valais, Switzerland, Europe

Glacier Grosser Aletschgletscher with Jungfrau, Moench, Eiger, Gruenhorn and Wannenhorn, from Eggishorn, UNESCO World Heritage Site Swiss Alps Jungfrau - Aletsch, Bernese Alps, Valais, Switzerland, Europe

Great Aletsch Glacier, the mountains Eiger, Monch and Jungfrau at the back, Canton of Valais, Goms, Switzerland, Europe

Aletsch Glacier in front of Jungfrau, Moench, Eiger and Gross Wannenhorn Mountains, Bernese Alps, Valais, Switzerland, Europe

Aletsch Glacier in front of the Schinhorn, Gross Fusshorn, Geisshorn, Aletschhorn, Jungfrau, Moench und Eiger Mountains, Bernese Alps, Valais, Switzerland, Europe