Is it an alien desert crop circle made from cars and campers? Some kind of ancient civilization uncovered by freak dust storm? Truth be told it's neither, actually:
It's Burning Man 2005!
Giz reader Dean sent in a slew of aerial photos from the event four years ago after reading our post on the retro rocket being erected in Nevada this year.
These pics are cool because, as many of you know we dig aeroplanes here at Gizmodo, and Burning Man just so happens to have had its own fully functional airport since 1999.
That's a good thing, because it gives us some nice bird's eye shots of this immense event.