Muslim pilgrims pray on Mount Mercy on the plains of Arafat outside the holy city of Mecca

Muslim pilgrims pray on Mount Mercy on the plains of Arafat outside the holy city of Mecca December 7, 2008. More than two million Muslims began the haj pilgrimage on Saturday, heading to a tent camp outside Mecca to follow the route Prophet Mohammad took 14 centuries ago. REUTERS/Ahmed Jadallah (SAUDI ARABIA)