Worshippers circle the Kaaba, Islam’s holiest shrine, at the Grand Mosque in the Muslim holy city of Mecca, Saudi Arabia, Thursday, Sept. 8, 2016. Hundreds of thousands of Muslims have arrived in the kingdom to participate in the annual hajj pilgrimage, which starts Saturday, a ritual required of all able-bodied Muslims at least once in their life. (AP Photo/Nariman El-Mofty).
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