Correlación entre las poblaciones urbanas y la contaminacion. → Air Pollution Reaches Serious Level In Beijing
Air Pollution Reaches Serious Level In Beijing
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BEIJING, CHINA – OCTOBER 06: (CHINA OUT, SOUTH KOREA OUT) Heavy fog engulfed on October 6, 2013 in Beijing, China. Part of highway in Beijing are closed due to the heavy fog. (Photo by The Asahi Shimbun via Getty Images)
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