Muslim pilgrims head towards Mount Mercy on the plains of Arafat at the peak of the annual haj pilgrimage near the holy city of Mecca October 25, 2012. Nearly 3 million Muslim pilgrims started the first phase of the annual haj on Wednesday, travelling through packed streets from Mecca's Grand Mosque to the enormous camp at Mina just outside the Saudi Arabian city. REUTERS/Amr Abdallah Dalsh
Muslim pilgrims head towards Mount Mercy on the plains of Arafat at the peak of the annual haj pilgrimage near the holy city of Mecca October 25, 2012. Nearly 3 million Muslim pilgrims started the first phase of the annual haj on Wednesday, travelling through packed streets from Mecca's Grand Mosque to the enormous camp at Mina just outside the Saudi Arabian city. REUTERS/Amr Abdallah Dalsh