Artist Kirsten Berg cleans her art work on the playa at Burning Man on the Black Rock Desert near Gerlach, Nev. Aug. 31, 2012. The annual festival brings thousands of people to create "a city in the desert, dedicated to radical self reliance, radical self-expression and art," according to its official <a href="http://www.burningman.com/art_of_burningman/">website</a>.

Stephanie King of Little Rock, Ark. hula hoops to the music of a band playing near her at Burning Man near Gerlach, Nev., Aug. 28, 2012.

A man with a creature mask walks the playa at Burning Man on the Black Rock Desert near Gerlach, Nev. Aug. 31, 2012.

The Man burns on the playa at Burning Man on the Black Rock Desert near Gerlach, Nev. on Friday Aug. 31, 2012.

People walk toward the temple at Burning Man near Gerlach, Nev., on the Black Rock Desert on Friday Aug. 31, 2012. (AP Photo/, )

A woman walks toward the man on a dust afternoon at Burning Man on the Black Rock Desert on Friday, Aug. 31, 2012.

An old wooden yacht art car rolls through the playa at Burning Man on the Black Rock Desert near Gerlach, Nev. on Friday Aug. 31, 2012 on Friday Aug. 31, 2012.

Artist Kirsten Berg cleans her art work on the playa at Burning Man on the Black Rock Desert near Gerlach, Nev. on Friday Aug. 31, 2012.

People gather around an art intallation at Burning Man in the Black Rock Desert near Gerlach, Nev. on Wednesday, Aug. 29, 2012.

A woman hula hoops on top of bus at Burning Man near Gerlach, Nev., Aug. 28, 2012.

A band plays on the roof of a bus at Burning Man near Gerlach, Nev., Aug. 28, 2012.

Enthusiasts ride bicycles at Burning Man near Gerlach, Nev., Aug. 28, 2012. Burning man is a weeklong festival dedicated to community, art, self-expression, and self-reliance.

Milo Miller, 7, gets help from Niz Arif while flying a kite in the Black Rock Desert, Nev., during Burning Man, Aug. 30, 2012.

An art piece at Burning Man, Aug. 29, 2012 near Gerlach, Nev.

People meet at a temple on Wednesday morning at Burning Man in the Black Rock Desert near Gerlach, Nev., Aug. 29, 2012.