A Pingo pool on the Pingo Trail in winter, The Brecks, Norfolk, England

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Pingos were formed by hard masses of ice left behind by the retreating glaciers. As the climate warmed the ice melted leaving a depression filled with water.

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Size: 8192px × 5464px
Location: Norfolk, England,UK
Photo credit: © Martin Bache / Alamy / Afripics
License: Licensed
Model Released: No

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