A pilgrim rolls the prayer wheels at the Potala Palace, the museum of Tibetan Buddhism and a World Heritage Site in Lhasa, the capital city of the Tibet autonomous region on July 15, 2017. (Photo/China Plus)
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A pilgrim rolls the prayer wheels at the Potala Palace, the museum of Tibetan Buddhism and a World Heritage Site in Lhasa, the capital city of the Tibet autonomous region on July 15, 2017. (Photo/China Plus)