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17th Annual Smithsonian Magazine Photo Contest Natural World
The Blues

Glaciologists rappel into a moulin on the Greenland Ice Sheet. During summer, moulins like this one swallow entire surface streams and funnel water to the bed, where it lubricates ice motion and causes the ice to speed up.

Photo Detail
Date Taken: 10.2019
Date Uploaded: 10.2019
Photo Location: Greenland
Camera: NIKON D750
Copyright: © Jason Gulley