A Muslim pilgrim prays as visits the Hiraa cave at the top of Noor Mountain on the outskirts of Mecca, Saudi Arabia on November 2, 2011. According to tradition, Islam's Prophet Mohammed received his first message to preach Islam while he was praying in the cave. (Hassan Ammar/AP)






Muslim pilgrims climb a rocky hill called the Mountain of Mercy on the Plain of Arafat near Mecca, Saudi Arabia on November 5, 2011. (Hassan Ammar/AP)





Tens of thousands of Muslim pilgrims move around the Kaaba (center) inside the Grand Mosque in Mecca, Saudi Arabia on November 3, 2011. (Hassan Ammar/AP)





Tens of thousands of Muslim pilgrims pray inside the Grand Mosque in Mecca, Saudi Arabia on November 4, 2011. (Hassan Ammar/AP)





The Mecca CLock Tower dominates the city as Muslim pilgrims walking around the Kaaba in the Grand Mosque of the holy city of Mecca during the annual Hajj pilgrimage rituals on November 7, 2011. (Fayez Nureldine/AFP/Getty Images)





Muslim pilgrims wait in line as they arrive at Jeddah airport on October 30, 2011 before going to the Saudi holy city of Mecca, where they will take part in the annual Hajj or pilgrimage. (Fayez Nureldine/AFP/Getty Images)





Muslim pilgrims pose for a picture as they rest in a street near the Grand Mosque in the Saudi holy city of Mecca on November 3, 2011. (Fayez Nureldine/AFP/Getty Images)






Tens of thousands of Muslim pilgrims move around the Kaaba (center) inside the Grand Mosque in Mecca, Saudi Arabia on November 3, 2011. (Hassan Ammar/AP)






Birds fly over Muslim pilgrims near the Grand Mosque in the Saudi holy city of Mecca on November 3, 2011. (Fayez Nureldine/AFP/Getty Images)






Muslim pilgrims pray on a rocky hill called the Mountain of Mercy on the Plain of Arafat near Mecca, Saudi Arabia on November 5, 2011. (Hassan Ammar/AP)






Muslim pilgrims cast stones at a pillar, symbolizing the stoning of Satan, in a ritual called "Jamarat," the last rite of the annual hajj, in Mina near the Saudi holy city of Mecca, Saudi Arabia on November 6, 2011. (Hassan Ammar/AP)






Muslim pilgrims protect their heads from stones thrown by others at a pillar, symbolizing the stoning of Satan, in a ritual called "Jamarat," the last rite of the annual hajj, in Mina near the Saudi holy city of Mecca, Saudi Arabia on November 6, 2011. (Hassan Ammar/AP)





Thousands of Muslim pilgrims arrive to throw pebbles at pillars during the "Jamarat" ritual, the stoning of Satan, in Mina near the holy city of Mecca, on November 6, 2011. (Fayez Nureldine/AFP/Getty Images)