Racetrack Playa
[youtube [www.youtube.com/watch](https://www.youtube.com/watch?v=uyHcs7B27Zk?feature=oembed&enablejsapi=1&origin=https://safe.txmblr.com&wmode=opaque&w=250&h=141])
Scientists Believe They Have Uncovered the Mystery of Self-Moving Death Valley ‘Sailing Stones’
(Source: https://www.youtube.com/)