Ice on the beach at Jokulsarlon, Iceland

The eriophores at Bachalpsee, Grindelwald, Berner Oberland, Switzerland

Diamond Beach, Jokulsarlon Glacier Lagoon, Hofn, Iceland, Europe

Aerial view, a red single-engine lightweight airplane flying over the flow structures of the melt water branching out in all directions, melt water of the Vatnajoekull glacier on the vast sand plain o...

Panoramic view of the Swiss side of Monte Rosa Massif close to Riffelsee Lake (Zermatt, Canton of Valais, Visp, Switzerlan, Europe)

Chunks of ice on shore at Diamond beach near Jokulsarlon glacier lagoon, South Iceland, Iceland

Whatcom Peak reflected in Tapto Lake, North Cascades National Park

Autumn colours on Bowman Lake, Glacier National Park, Montana, USA

Autumn colours at sunset on Bowman Lake, Glacier National Park, Montana, USA

Perito Moreno Glacier, elevated view, Los Glaciares National Park, Santa Cruz Province, Patagonia, Argentina

Polar bear (ursus maritimus) in Billefjorden, near Pyramiden, in western Spitsbergen Island, Svalbard.

Mt. Adams and Tatoosh Range, Mt. Rainier National Park, Washington, USA

Skier in Matterhorn Tiefnatten glacier. Zermatt, Switzerland, Europe

France, Haute-Savoie, aiguille Verte (4122m), aiguille du Dru (3754m), Mont-Blanc range

France, Haute-Savoie (74), aiguille Verte (4122m) at sunrise from lac Blanc, Mont-Blanc range

France, Haute Savoie, Chamonix, Mont Blanc (4810m) and the aiguille du Midi (3848m) at sunset, Mont Blanc range

Khumbu Valley, Nepal. The Khumbu Glacier with from left to right the peaks of Khumbutse, the West Shoulder of Mount Everest and Nuptse.

Europe, France, Haute Alps, French Dauphine Alps, Ecrins National Park, Barre des Ecrins (MR)

Icebergs calved from Jakobshavn Glacier frozen in Disko Bay, Ilulissat, West Greenland

Icebergs calved from Jakobshavn Glacier floating in Disko Bay, Ilulissat, West Greenland

Icebergs calved from Jakobshavn Glacier floating in Disko Bay, Ilulissat, West Greenland

Icebergs calved from Jakobshavn Glacier floating in Disko Bay, Ilulissat, West Greenland

Icebergs calved from Jakobshavn Glacier floating in Disko Bay, Ilulissat, West Greenland

Vatnajokull glacier, Eastern Iceland, Iceland, Northern Europe. Man standing still at the entrance of a a crystal ice cave in winter.

Nepal, Gandaki zone, Manaslu Circuit, between Prok and Lho, the Mount Manaslu (alt.8156m) from the village of Lho (alt.3180m) and Ribung Gompa monastery

Nepal, Gandaki zone, Manaslu Circuit, between Prok and Lho, the Mount Manaslu (alt.8156m) from the village of Lho (alt.3180m) and Ribung Gompa monastery

Prairie wildflowers in meadow in Glacier National Park, Montana, USA

Argentina, Patagonia, Santa Cruz, El Chalten, Cerro Torre, Torre Egger, Aguja Standhart at sunset in winter

France, Mont-Blanc (4810m) and aiguille du Midi (3848m) from Cheserys lake at sunrise, Chamonix, Mont-blanc range,

France, Alpinists climbing the Mont-Blanc (4810m) at sunrise, Chamonix,

Ice climbing in an ice cave or glacier cave, glacier crossing, Grey Glacier, Torres del Paine National Park, Chile

Ice cave in the glacier Breidamerkurjokull in Vatnajokull National Park. Iceland

A hiker at lake Manzina who has just left the Tresero and the tops of St. Matthew in the background is about to face the long climb to the waterfall. Valtellina. Lombardy. Italy. Europe

Bull moose feeding in Glacier National Park, Montana, USA

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak and Laguna de los tres

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak and Laguna de los tres

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak and Laguna de los tres (MR)

Argentina, Patagonia, El Chalten, Los Glaciares National Park, Cerro Fitzroy Peak and Laguna de los tres (MR)

Iceland, Jokulsarlon. Aurora lights reflect in lagoon

Greenland, DiskoBay, Moonlight over the icebergs of Kangerlua Fjord at dusk

Monte Rosa and Gorner glacier at sunset, Zermatt, Wallis or Valais, Switzerland

Sinopah Mountain reflects into Pray Lake in the Two Medicine Valley after fresh snowfall in Glacier National Park, Montana, USA

Greenland, Ilulissat, Underwater image of icebergs floating near face of Jakobshavn Isfjord

Volcanic Eruption South of Iceland in glacier Eyjafjallajokull and Fimmvorduhals.

Foxtail barley near East Glacier, Montana, USA

Hiker on Hooker River Footbridge & Mt Sefton, Aoraki / Mt Cook National Park, Canterbury, South Island, New Zealand

Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, Unesco World Heritage, Island Peak (6189m), guide leading a route

Franz Josef, New Zealand. Glacier hiking through the Franz Josef glacier is a major attraction of New Zealand's south island.

Heli-hiker, Franz Josef Glacier, West Coast, South Island, New Zealand

Fjallsarlon Glacial Lagoon, Southern iceland, Iceland

Aerial view of Hotel Belvedere Furkapass and Rhone Glacier in summer, Uri, Canton Vallese, Oberalp, Switzerland