Photo taken on Dec. 2, 2015 shows a view of the Yanqi Lake in the suburban Huairou District of Beijing, capital of China, after the lingering thick smog dispersed overnight. (Photo: Xinhua/Bu Xiangdong)
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Photo taken on Dec. 2, 2015 shows a view of the Yanqi Lake in the suburban Huairou District of Beijing, capital of China, after the lingering thick smog dispersed overnight. (Photo: Xinhua/Bu Xiangdong)
