[Kiewit, Belgium; August 20. Image via Getty]

A girl holding a US flag dirinks while another puts some sun screen at the camping site of the Pukkelpop 2009 music festival, in Kiewit, near Hasselt, on August 20, 2009. The Pukkelpop festival is held from August 20 to 22. AFP PHOTO / BELGA - YORICK JANSENS (Photo credit should read YORICK JANSENS/AFP/Getty Images)