Festival goers cheer during a concert at the EXIT festival near Novi Sad on July 7, 2011. More than 150 acts are lined up for the EXIT rock and pop music festival, including Arcade Fire, Pulp, Grinderman, Portishead, M.I.A. and numerous DJs, performing at 16 different stages. The festival has been held since 2000 at an old fortress overlooking the River Danube in Novi Sad city
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