Shiite Muslim worshippers pray at the holy shrine of Imam Hussein during the Muslim festival of Arbaeen in Karbala, 50 miles (80 kilometers) south of Baghdad, Iraq, Wednesday, Jan. 2 , 2013. The holiday marks the end of the forty day mourning period after the anniversary of the 7th century martyrdom of Imam Hussein the Prophet Muhammad’s grandson. <AP Photo/Hadi Mizban>