Participants interact with the Alien Siege Machine during the Burning Man 2014 “Caravansary” arts and music festival in the Black Rock Desert of Nevada, August 28, 2014. People from all over the world have gathered at the sold out festival 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. (Photo by Jim Urquhart/Reuters)
