Uchronia at Burning Man, Nevada, USA, by Arne Quinze. Call it a pop-up city: each summer Black Rock City is built in the Nevada desert for the week-long Burning Man festival before disappearing for another year. This installation by the Belgian artist Arne Quinze was built at the 2006 event from 100 miles of wooden beams. When the festival was over it was, appropriately, set alight. (Photo by Jason Strauss/The Guardian)
