The mysterious rocks which race across the dry lakebed known as the Racetrack in Death Valley 2

lakebed panamint lake-bed desolate nevada desert barren dryness dry dirt geological flat landscape geology remote rocks mud mountains lake 1080p lonely california stone mountain north playa background rock stones northern travel nature running pattern brown america racetrack moving mysteriously national cracked sky concept clouds death texture hot phenomenon puzzle seasonally rolling sliding park united summer states bed blue black sailing