Demonstrators hold up Turkish flags and a portrait of the founder of modern Turkey Mustafa Kamal Ataturk while standing atop a barricade during clashes between riot police and demonstrators in the streets adjacent to Taksim square in Istanbul, on June 16, 2013. Turkish Prime Minister Recep Tayyip Erdogan rallied tens of thousands of his supporters in Istanbul on Sunday, hours after ordering a crackdown on anti-government protesters in a city park and sending tensions soaring in two weeks of unrest. AFP PHOTO / MARCO LONGARI (Photo credit should read MARCO LONGARI/AFP via Getty Images)
