Pilgrims on their way to Mecca walk past the Haramain High-Speed Railway train in the holy city of Medina, Saudi Arabia, Thursday, August 8, 2019. Hundreds of thousands of Muslims have arrived in the kingdom to participate in the annual hajj pilgrimage, which starts Friday, a ritual required of all able-bodied Muslims at least once in their life. (Photo by Amr Nabil/AP Photo)
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