Greenland's Sweaty Summer

By Amelia Hennighausen - 2012-08-06T15:47:15Z

Photograph by James Balog/Aurora Photos

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Birthday Canyon

Birthday Canyon, carved by meltwater, is 150 feet deep. This photo was taken in 2008. Along the edge of the canyon, lines along the wall show the stratigraphic layers of ice and snow laid down over the years.

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