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Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, capital of southwest China's Tibet Autonomous Region, Nov. 1, 2019. (Xinhua/Li Xin)
Workers paint the wall of the Potala Palace during an annual renovation of the ancient architectural complex in Lhasa, capital of southwest China's Tibet Autonomous Region, Nov. 1, 2019. (Xinhua/Li Xin)