Iranian mourners circle around a tent which is set on fire, in a ceremony commemorating Shiites' holy day of Ashoura, in Tehran, Iran, Sunday, Dec. 27, 2009, marking the death of Imam Hussein, a grand son of Islam's prophet Mohammed, who was killed in a 680 A.D. battle at Karbala in Iraq. Mourners burn a green tent, as a symbol of Imam Hussein's tent.
(AP Photo/Mehr News Agency, Majid Asgaripour)