A mysterious phenomenon has been occurring on Racetrack Beach in Death Valley, California: giant rocks have been moving across the sand of the waterless lake, seemingly of their own accord. When visiting the location with his cousin, Richard Norris of the Scripps Institute of Oceanography solved the mystery: the movement was due to the way that the earth is parched with the little rain fallen, frozen and thawed, which erratically drags the rocks across the ground!
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Racetrack Beach, solved the mystery of the moving rocks
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