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People watch a face-changing performance at an event held to promote the culture and tourism of southwest China's Sichuan Province in Vienna, capital of Austria, Oct. 9, 2019. (Xinhua/Guo Chen)
People watch a face-changing performance at an event held to promote the culture and tourism of southwest China's Sichuan Province in Vienna, capital of Austria, Oct. 9, 2019. (Xinhua/Guo Chen)