The Grand Canyon of Greenland - The País.com (Spain)

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Canyon Recreation Course in Greenland. / j. bamber (science)

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permafrost layer Greenland, modern measurements have found great barrel is 750 kilometers from the center of the island to the northwest. It is twice the length of the Grand Canyon. The footprint of the ancient river has a width of 10 km and a depth of 800 meters.

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