Jeff Wilson / Emperor penguin (Aptenodytes forsteri) adults and chicks in colony beside ice cliff, Cape Crozier, Antarctica, November 2009. Taken on location for BBC series, Frozen Planet, Spring.
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Bruno D'Amicis / Sunset light on Mt. Zdiarska Vidla. Belianske Tatry, Slovakia, November 2007.
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Kevin Schafer / Face of Monaco Glacier, Leifdefjorden, Svalbard, Norway 2010
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Nick Garbutt / Sea cliffs, shoreline and pack ice at Hambergbukta, south east Spitsbergen, Svalbard, Arctic Norway, June 2009
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Andy Rouse / Polar bear (Ursus maritimus) swimming in front of ice cliff, Austfonna, Svalbard, Norway (non-ex) June 2007
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Mike Potts / Glacier meeting Southern ocean on coast of Buckle Island, Balleny Islands, East Antarctica. January 2018.
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Mike Potts / Coastal cliffs topped with snow and ice. East coast of Buckle Island, Balleny Islands, East Antarctica. January 2018.
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Michel Roggo / Cape Khoboy and frozen Lake Baikal with cracks in ice, aerial shot. Photographed for The Freshwater Project extended. Near Khuzhir, Olchon Island, Irkutsk Oblast and Buryat Republic, Siberia, Russia....
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Stefan Christmann / Cameraman Lindsay McCrae filming Emperor penguin (Aptenodytes forsteri) group tobogganing across ice on journey to provide young with food;for BBC Dynasties Penguin programme. Atka Bay, Antarctica. Oc...
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Stefan Christmann / Mary Arctica cargo ship in Atka Bay with ice shelf and sea ice in foreground. Atka Bay, Antarctica. February 2017.
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Stefan Christmann / Steep side of ice shelf. Atka Bay, Antarctica. September.
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Ashley Cooper / Alpenglow at sunrise on Annapurna South, Nepelese Himalayas.