A boy kicks a ball as policemen block streets to prevent people from gathering for May Day demonstrations near Taksim Square in Istanbul, Turkey, May 1, 2015. Istanbul went into a security lockdown on Friday as thousands of Turkish police manned barricades and closed off streets to traffic to stop May Day rallies at the central Taksim Square, a symbolic point for anti-government protests. (Photo by Umit Bektas/Reuters)
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