Captured on video for the first time: the mysterious forces that move rocks across the surface of Racetrack Playa in California's Death Valley.
Nobody has ever seen these rocks move, but they leave trails across the dried mud surface often hundreds of yards long. But on this cold winter morning, when the snowmelt covered the playa, we finally saw what nobody before had ever captured on film.
Nobody has ever seen these rocks move, but they leave trails across the dried mud surface often hundreds of yards long. But on this cold winter morning, when the snowmelt covered the playa, we finally saw what nobody before had ever captured on film.
