Tens of thousands of Muslim pilgrims moving around the Kaaba, the black cube seen at center, inside the Grand Mosque, during the annual Hajj in Mecca, Saudi Arabia, Thursday, Nov. 18, 2010. The annual Islamic pilgrimage draws 2.5 million visitors each year, making it the largest yearly gathering of people in the world. (AP Photo/Hassan Ammar)

Tens of thousands of Muslim pilgrims moving around the Kaaba, the black cube seen at center, inside the Grand Mosque, during the annual Hajj in Mecca, Saudi Arabia, Thursday, Nov. 18, 2010. The annual Islamic pilgrimage draws 2.5 million visitors each year, making it the largest yearly gathering of people in the world. (AP Photo/Hassan Ammar)

The Grand Mosque is seen from the top of al-Noor mountain where the Hiraa cave is located, in Mecca, Saudi Arabia, Tuesday, Nov. 24, 2009. According to tradition, Islam’s Prophet Mohammed received his first message to preach Islam while he was praying in the cave. An estimated 2.5 million Muslims have converged on Mecca to attend the annual hajj pilgrimage. (AP Photo/Hassan Ammar)

The Grand Mosque is seen from the top of al-Noor mountain where the Hiraa cave is located, in Mecca, Saudi Arabia, Tuesday, Nov. 24, 2009. According to tradition, Islam’s Prophet Mohammed received his first message to preach Islam while he was praying in the cave. An estimated 2.5 million Muslims have converged on Mecca to attend the annual hajj pilgrimage. (AP Photo/Hassan Ammar)

A Muslim pilgrim prays near where the Hiraa cave is located, at the top of Noor Mountain on the outskirts of Mecca, Saudi Arabia, Tuesday, Nov. 24, 2009. According to tradition, Islam’s Prophet Mohammed received his first message to preach Islam while he was praying in the cave. An estimated 2.5 million Muslims have converged on Mecca to attend the annual hajj pilgrimage. (AP Photo/Hassan Ammar)

A Muslim pilgrim prays near where the Hiraa cave is located, at the top of Noor Mountain on the outskirts of Mecca, Saudi Arabia, Tuesday, Nov. 24, 2009. According to tradition, Islam’s Prophet Mohammed received his first message to preach Islam while he was praying in the cave. An estimated 2.5 million Muslims have converged on Mecca to attend the annual hajj pilgrimage. (AP Photo/Hassan Ammar)

Muslim pilgrims circle the Kaaba inside the Grand Mosque in Mecca, Saudi Arabia, Tuesday, Nov. 24, 2009. An estimated 2.5 million Muslims have converged on Mecca to attend the annual hajj pilgrimage. (AP Photo/Hassan Ammar)

Muslim pilgrims circle the Kaaba inside the Grand Mosque in Mecca, Saudi Arabia, Tuesday, Nov. 24, 2009. An estimated 2.5 million Muslims have converged on Mecca to attend the annual hajj pilgrimage. (AP Photo/Hassan Ammar)

Muslim pilgrims pray inside the Grand Mosque in Mecca, Saudi Arabia, Tuesday, Nov. 24, 2009. An estimated 2.5 million Muslims have converged on Mecca to attend the annual hajj pilgrimage. (AP Photo/Hassan Ammar)

Muslim pilgrims pray inside the Grand Mosque in Mecca, Saudi Arabia, Tuesday, Nov. 24, 2009. An estimated 2.5 million Muslims have converged on Mecca to attend the annual hajj pilgrimage. (AP Photo/Hassan Ammar)