Gallery: Pilgrims arrived in the Islamic holy city of Makkah for Hajj rituals

Muslims from across the world gather in Makkah in Saudi Arabia for the annual six-day pilgrimage, one of the five pillars of Islam, an act all Muslims must perform at least once in their lifetime if they have the means to travel to Saudi Arabia.
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Muslim pilgrims gather for prayer at the Grand Mosque in the Saudi holy city of Makkah
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Muslim pilgrims walk near the doors of Grand Mosque
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Muslim pilgrims gather at Grand Mosque
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Muslim pilgrims gather for prayer at the Grand Mosque in the Saudi holy city of Makkah
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Workers keep Grand Mosque courtyard clean
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Muslim pilgrims read Holy Quran
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Muslim pilgrims gather at Grand Mosque
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Muslim pilgrims drink water at Grand Mosque