A worker repaints the wall of the Potala Palace during an annual renovation of the magnificent ancient architectural complex in Lhasa, capital of southwest China's Tibet Autonomous Region, Oct. 21, 2015. (Photo: Xinhua/Purbu Zhaxi)
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A worker repaints the wall of the Potala Palace during an annual renovation of the magnificent ancient architectural complex in Lhasa, capital of southwest China's Tibet Autonomous Region, Oct. 21, 2015. (Photo: Xinhua/Purbu Zhaxi)
