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Kurds and Yazidi take part in a rally in Frankfurt, Germany, protesting the invasion of large parts of the Iraq by the jihadist group Islamic State (IS), August 9, 2014 (Credit: EPA/Boris Roessler)

Kurds and Yazidi take part in a rally in Frankfurt, Germany, protesting the invasion of large parts of the Iraq by the jihadist group Islamic State (IS), August 9, 2014 (Credit: EPA/Boris Roessler)