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Photo taken on Jan. 18, 2018 shows the smog-shrouded West Lake in Hangzhou, capital of east China's Zhejiang Province. (Xinhua/Huang Zongzhi)
Photo taken on Jan. 18, 2018 shows the smog-shrouded West Lake in Hangzhou, capital of east China's Zhejiang Province. (Xinhua/Huang Zongzhi)