Hundreds of thousands of years ago, undersea geysers spewed more than 10 cubic kilometers of sand across the floor of the North Sea, off the southwestern coast off Norway. Captions Science . Photo source: ©© Alfstorm
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A giant mass of sand large enough to bury all of Manhattan under dunes more than 50 stories tall apparently erupted from the floor of the North Sea hundreds of thousands of years ago, the largest such body of sand ever found in the world, researchers say…
