5 Dec. 2011
EDITORS' NOTE: Reuters and other foreign media are subject to Iranian restrictions on leaving the office to report, film or take pictures in Tehran.
Iranian mourners attend the Shi'ite Tasoua, a day ahead of Ashura, in Imamzadeh Helal holy shrine in the city of Aran, Isfahan province December 5, 2011. Ashura, the most important day in the Shi'ite Muslim 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 SOCIETY)