An Iraqi Shi'ite pilgrim, dressed as an ancient Islamic warrior, rides a horse as he takes part in the religious festival of Ashura in Diwaniya, 180 km (112 miles) south of Baghdad, January 28, 2007. Tens of thousands of Shi'ite Muslims are expected to gather in Kerbala this week to celebrate a religious festival called Ashura, the day when Imam al-Hussein, the "leader of the martyrs" and grandson of Prophet Mohammad was killed in Kerbala in 680 AD. Picture taken January 28, 2007. [Reuters]

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