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Calved icebergs from the nearby Twin Glaciers are seen floating on the water in Qaqortoq, Greenland, July 30, 2013.
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A glacier is seen in Kangerlussuaq, Greenland, July 13, 2013.
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A full moon is seen over an iceberg that broke off from the Jakobshavn Glacier in Ilulissat, Greenland, July 23, 2013.
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Icebergs that broke off from the Jakobshavn Glacier are seen floating in the water as the sun reaches its lowest point of the day in Ilulissat, Greenland, July 23, 2013.
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The top of a glacier peeks through low clouds in Ilulissat, July 24, 2013.
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Water is seen on part of the glacial ice sheet that covers about 80 percent of Greenland, July 17, 2013.
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A full moon is seen over an iceberg that broke off from the Jakobshavn Glacier in Ilulissat, July 23, 2013.
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A barren landscape is seen near Qaqortoq, Greenland, July 30, 2013.
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Seagulls float on the water near icebergs that broke off from the Jakobshavn Glacier in Ilulissat, July 22, 2013.
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An iceberg that broke off from the Jakobshavn Glacier floats through the water in Ilulissat, July 21, 2013.
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A full moon is seen over icebergs that broke off from the Jakobshavn Glacier in Ilulissat, July 23, 2013.
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A fishing boat navigates past icebergs that broke off from the Jakobshavn Glacier in Ilulissat, July 23, 2013.
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Sarah Das from the Woods Hole Oceanographic Institution walks though a surface meltwater lake on the Glacial Ice Sheet, Greenland, July 16, 2013.
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The surface of the glacier is seen in Kangerlussuaq, Greenland, July 10, 2013.
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Icebergs that broke off from the Jakobshavn Glacier are seen floating in the water in Ilulissat, Greenland, July 23, 2013.
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Part of the glacial ice sheet that covers about 80 percent of Greenland, July 17, 2013.
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Water is seen on part of the glacial ice sheet that covers about 80 percent of the Greenland, July 17, 2013.
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Homes are seen against the backdrop of mountains in Nuuk, Greenland, July 28, 2013. Nuuk is the capital of the country of about 56,000 people.
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Seagulls sit on an iceberg in Ilulissat, Greenland, July 22, 2013.
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A river flows near Qaqortoq, Greenland, July 30, 2013.
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Calved icebergs from the nearby Twin Glaciers are seen floating on the water in Qaqortoq, Greenland, July 30, 2013.
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The fluke of a whale is seen as it swims near Nuuk, Greenland, July 27, 2013.
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Calved icebergs from the nearby Twin Glaciers are seen floating on the water in Qaqortoq, Greenland, July 30, 2013.
Joe Raedle/Getty Images
Calved icebergs from the nearby Twin Glaciers are seen floating on the water in Qaqortoq, Greenland, July 30, 2013.
Joe Raedle/Getty Images
Calved icebergs from the nearby Twin Glaciers are seen floating on the water in Qaqortoq, Greenland, July 30, 2013.
Joe Raedle/Getty Images
Calved icebergs from the nearby Twin Glaciers are seen floating on the water in Qaqortoq, Greenland, July 30, 2013.