Racetrack

From Death Valley National Park's "Racetrack." See it larger here:

 

www.ewertnaturephotography.com/Landscape-and-Nature-1/New...

 

I hope everyone is having a great weekend!

 

Edit: as I understand it, these rocks slide across the desert floor during or after rainstorms when the ground is soft and wet. Extremely high winds and gravity create this phenomenon.

Done