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US Department of the Interior @Interior
The Racetrack at @DeathValleyNPS is a playa best known for its strange moving rocks. The mysterious rocks are pushed along by a rare combination of ice and wind. Some of the rocks, which weigh up to 700 pounds, have traveled over 1,500 feet. Photo by Leslie Scopes Anderson https://t.co/hG5XuZjNws — PolitiTweet.org