A polar bear slides across thin Actic Ocean ice Aug. 21, 2009....
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A polar bear rests on the ice Aug. 23, 2009, after following the Coast Guard Cutter Healy for nearly an hour.P...
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A polar bear walks on the Arctic Ocean ice Aug. 21, 2009....
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Sunset over sea ice along the Arctic Ocean....
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Polar bears along sea ice in the Arctic Ocean....
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