Muslims from around the world arrive in Saudi holy city

Around 2.5 million Muslims are expected to perform the Hajj in Saudi Arabia
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Muslim pilgrims walk on their way to the Grand Mosque in the Saudi holy city of Mecca on November 3, 2011. Around 2.5 million Muslims from around the world are expected to perform the Hajj, which this year peaks in the first week of November. (AFP/Getty Images)
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Syrian Muslim pilgrims eat their food on the pavement of the Haram street near the Grand Mosque on the eve of the start of the annual Hajj pilgrimage in the Saudi holy city of Mecca on November 3, 2011. More than 2.5 million Muslims from around the world are expected to perform the Hajj, which this year peaks in the first week of November. (AFP/Getty Images)
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Muslim pilgrims pray at the foot of Mount Arafat, southeast of the Saudi holy city of Mecca, on November 4, 2011. More than 2.5 million pilgrims gathered in Mecca for the annual hajj, which all able Muslims are required to perform once in their life. (AFP/Getty Images)
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Muslim pilgrims unload their belongings upon arrival at Mount Arafat, southeast of the Saudi holy city of Mecca, on November 4, 2011 where they recite from the Koran and pray. More than 2.5 million pilgrims gathered in Mecca for the annual hajj, which all able Muslims are required to perform once in their life. (AFP/Getty Images)
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Muslim pilgrims arrive at Mount Arafat, southeast of the Saudi holy city of Mecca, on November 4, 2011 where they recite from the Koran and pray. More than 2.5 million pilgrims gathered in Mecca for the annual hajj, which all able Muslims are required to perform once in their life. (AFP/Getty Images)
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Doves fly over Muslim pilgrims near the Grand Mosque in the Saudi holy city of Mecca on November 3, 2011. More than 2.5 million Muslims from around the world are expected to perform the Hajj, which this year peaks in the first week of November. (AFP/Getty Images)
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Indonesian Muslim pilgrims wait for their bus at the Haram street near the Grand Mosque on the eve of the start of the annual Hajj pilgrimage in the Saudi holy city of Mecca on November 3, 2011. More than 2.5 million Muslims from around the world are expected to perform the Hajj, which this year peaks in the first week of November. (AFP/Getty Images)
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Muslim pilgrim women visit the al-Noor mountain where the Hiraa cave is located, on the eve of the start of the annual Hajj pilgrimage, near the Saudi holy city of Mecca on November 3, 2011. According to belief, Islam's Prophet Mohammed received his first message to preach Islam in the cave. (AFP/Getty Images)
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Muslim pilgrims visit the al-Noor mountain where the Hiraa cave is located, on the eve of the start of the annual Hajj pilgrimage, near the Saudi holy city of Mecca on November 3, 2011 . Over 2 million Muslims from around the world are expected to perform the Hajj, which this year peaks in the first week of November. (AFP/Getty Images)