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Upper left file photo shows a slave being forced to work in chains because slave owners in old Tibet didn't want slaves to run away. Upper right photo taken by Chogo on Jan. 30, 2018 shows a deputy to the regional people's congress, who is also a descendant of serfs, casting her vote at the annual legislative sessions of the autonomous region in Lhasa. The lower part photo taken by Chogo on Oct. 2, 2010 shows senior citizens of the Tibetan ethnic group celebrating the 61st anniversary of the founding of the People's Republic of China.
