Shiite pilgrims gather at the Imam Hussein shrine during ceremonies marking Arbain in the holy city of Karbala, southern Iraq, on Dec. 2, 2015. Iraqi Shiites visit Karbala to perform the religious ceremony of Arbain, on the 40th day after the Shiite holy day of Ashura which commemorates the death of Imam Hussein at the battle of Karbala. EPA
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