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Iraqi Kurds wave the Kurdish flag as they celebrate in the streets of the northern city of Arbil on September 25, 2017 following a referendum on independence.
Iraq's Kurds defied widespread opposition to vote in a historic independence referendum, sparking fresh tensions with Baghdad, threats from Turkey and fears of unrest. / AFP PHOTO / Safin HAMED (Photo credit should read SAFIN HAMED/AFP/Getty Images)