Muslims Gather in Mecca for Hajj

Muslim pilgrims circle the Kaaba to pray inside the Grand mosque in the holy city of Mecca, Saudi Arabia, October 23, 2012.

A man carries a sheep through a livestock market in Sanaa, October 24, 2012. Muslims around the world celebrate Eid al-Adha to mark the end of the Hajj by slaughtering sheep, goats, cows and camels.

A boy dances with a sheep at a livestock market ahead of Eid al-Adha festival in Sanaa, October 24, 2012.

Muslim pilgrims pray outside the Grand Mosque in the holy city of Mecca, Saudi Arabia, October 23, 2012.

Muslim pilgrims pray outside the Grand Mosque in Mecca, Saudi Arabia, October 23, 2012.

A Muslim pilgrim shops in a gold market in Mecca, October 23, 2012.

Muslim pilgrims leave the Grand mosque after the noon prayer in Mecca, October 22, 2012.

Muslim pilgrims pray outside the Grand mosque in Mecca, Saudi Arabia, October 22, 2012.