Muslim pilgrims raise their hands to receive umbrellas in front of a rocky hill called the Mountain of Mercy, on the Plain of Arafat near the holy city of Mecca, Saudi Arabia, Monday 14 Oct 14, 2013. (Photo: AP)

A Muslim pilgrim reads verses from Islam's holy book the Quran on a rocky hill called the Mountain of Mercy, near the holy city of Mecca, Saudi Arabia, Monday, Oct 14, 2013. (Photo: AP)

Tunisian Muslim pilgrims pray on a rocky hill called the Mountain of Mercy, near the holy city of Mecca, Saudi Arabia, Monday 14 Oct, 2013. The Hajj (pilgrimage), a central pillar of Islam and one that able-bodied Muslims must make once in their lives, is a four-day spiritual cleansing based on centuries of interpretation of the traditions of Prophet Muhammad. (Photo: AP)

Muslim pilgrims pray the noon prayers near fruit carts in Arafat, near the holy city of Mecca, Saudi Arabia, Monday 14 Oct, 2013. As part of the Hajj (pilgrimage) the faithful head to a hill called Jabal Al-Rahmah, meaning Mountain of Mercy, about 20 kilometers (12 miles) east of Mecca.(Photo: AP)

Muslim pilgrims pray on a rocky hill called the Mountain of Mercy, near the holy city of Mecca, Saudi Arabia, Monday 14 Oct, 2013. It may be the first and only time many of the pilgrims taking part in Hajj have ever boarded a plane or travelled abroad. Most come from African, South Asian and Middle Eastern countries where poverty runs high. They have saved for years for this moment, when men are indistinguishable by their wealth or affiliations.(Photo: AP)

Muslim pilgrims pray on a rocky hill called the Mountain of Mercy, near the holy city of Mecca, Saudi Arabia, Monday 14 Oct, 2013. More than 2 million Muslims from nearly 200 countries gathered around a hill in Saudi Arabia on Monday marked by a small white pillar. It is here, in Mount Arafat on the Mountain of Mercy, known in Arabic as Jabal al-Rahma, that the Prophet Muhammad is believed to have delivered his last sermon to tens of thousands of followers, calling on Muslims to unite. (Photo: AP)

Muslim pilgrims pray on a rocky hill called the Mountain of Mercy, near the holy city of Mecca, Saudi Arabia, Monday, 14 Oct, 2013. The Hajj (pilgrimage), a central pillar of Islam and one that able-bodied Muslims must make once in their lives, is a four-day spiritual cleansing based on centuries of interpretation of the traditions of Prophet Muhammad. (Photo: AP)