On the eve of Arbaeen, 40th day after martyrdom anniversary of Imam Hussein (AS), third Shia Imam and grandson of Prophet Mohammad (PBUH), servants of the holy shrine of Imam Reza (AS), eighth Shia Imam (AS) in the Norteastern Khorasan Razavi Province in Iran, set off for the holy city of Karbala, Iraq, to attend the annual ceremony.(photo)