Piece of glacial ice washed ashore by the incoming tide onto beach of volcanic sand near glacial lagoon at Jokulsarlon, Iceland, Polar Regions

Piece of glacial ice washed ashore by the incoming tide near glacial lagoon at Jokulsarlon, Iceland, Polar Regions

Piece of glacial ice washed ashore by the incoming tide onto beach of volcanic sand near glacial lagoon at Jokulsarlon, Iceland, Polar Regions

Polar bear (Ursus maritimus) sitting on a piece of ice in front of a glacier, Hornsund, Svalbard, Arctic

Kittiwakes sitting on a huge piece of glacier ice with an expedition boat in the background, Hornsund, Svalbard, Arctic, Norway, Scandinavia, Europe

Detail of an expedition passenger holding a piece of glacier ice, Anvers Island, Antarctic Peninsula, Antarctica, Polar Regions

Tourist holding up a Glacier chunk. Longyearbyne, Svalbard, Norway

Mountaineers climbing Vertainspitze mountain, Ortler Alps, province of Bolzano-Bozen, Italy, Europe

Large piece of glacier breaks off, Perito Moreno Glacier, Los Glaciares National Park, Santa Cruz, Patagonia, Argentina, South America

Large splash in the ocean after a piece of glacier calves off into the ocean, Whittier, Alaska, United States of America

Large splash in the ocean after a piece of glacier calves off into the ocean, Whittier, Alaska, United States of America

Ice chunks float in the glacial water of the Rocky Mountains with a sunburst shining bright over Mount Edith Cavell in Jasper National Park; Alberta, Canada