Muslim pilgrims leave from the Grand Mosque after they perform the final walk around the Kaaba (Tawaf al-Wadaa) in the Saudi holy city of Mecca on November 16, 2010, as more than two million Muslim pilgrims launched into the final rituals of the hajj ahead of their massive exodus from Islam's holiest city.

AP Photo 7 hours ago
Muslim pilgrims are on their way to 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, Wednesday, Nov. 17, 2010. The annual Islamic pilgrimage draws 2.5 million visitors each year, making it the largest yearly gathering of people in the world.

Getty Images 10 hours ago
An aerial picture shows the area where Muslim pilgrims throw pebbles at pillars during the 'Jamarat' ritual, the symbolic stoning of Satan, in Mina, near the holy city of Mecca, on November 17, 2010 as more than two million pilgrims launched into the final rituals of the hajj ahead of their massive exodus from Islam's holiest city.

Getty Images 10 hours ago
An aerial picture shows thousands of tents housing Muslim pilgrims crowded together in Mina, near the holy city of Mecca, on November 17, 2010 as more than two million pilgrims launched into the final rituals of the hajj ahead of their massive exodus from Islam's holiest city.

Getty Images 10 hours ago
An aerial picture shows Mecca Clock Royal Tower hotel (R), topped by the biggest clock in the world with a 45 meters diameter, which overlooks the Grand Mosque in the holy city of Mecca on November 17, 2010 as more than two million Muslim pilgrims launched into the final rituals of the hajj ahead of their massive exodus from Islam's holiest city.
