Two men bare-knuckle fight at the Thunder Dome during the Burning Man 2012 “Fertility 2.0” arts and music festival in the Black Rock Desert of Nevada

Two men bare-knuckle fight at the Thunder Dome during the Burning Man 2012 “Fertility 2.0” arts and music festival in the Black Rock Desert of Nevada, August 31, 2012. More than 60,000 people from all over the world have gathered at the sold out festival, which is celebrating its 26th year, to spend a week in the remote desert cut off from much of the outside world to experience art, music and the unique community that develops. REUTERS/Jim Urquhart (UNITED STATES) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. NO THIRD PARTY SALES. NOT FOR USE BY REUTERS THIRD PARTY DISTRIBUTORS. FOR USE WITH BURNING MAN RELATED REPORTING ONLY