From the Motor City, Detroit, the Chrysler advert celebrates car industry and its people and the pride in the things they make.

Found in the Racetrack—an aptly named dry lakebed, or playa—the moving rocks have stumped scientists since the 1940s. For instance, the rocks are thought to move as fast as a walking person, but they’ve never been seen in action. Previous studies have shown that gravity or earthquakes can’t explain the objects’ movements.

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Seems legit.

Via