EDITORS' NOTE: Reuters and other foreign media are subject to Iranian restrictions on their ability to film or take pictures in Tehran. A man performs self-flagellation with chains during the Shi'ite religious festival of Ashura in Tehran December 27, 2009. Ashura, the most important day in the Shi'ite calendar, commemorates the death of Imam Hussein, grandson of the Prophet Mohammad, in the 7th century battle of Kerbala.
REUTERS/Raheb Homavandi (IRAN - Tags: RELIGION ANNIVERSARY)