A road is shrouded in heavy smog in Beijing on November 4, 2015. Beijing issued a yellow alert for pollution on Wednesday, due to the heavy smog that had been shrouding the capital since the morning.(Photo: China News Service/Jin Shuo)
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A road is shrouded in heavy smog in Beijing on November 4, 2015. Beijing issued a yellow alert for pollution on Wednesday, due to the heavy smog that had been shrouding the capital since the morning.(Photo: China News Service/Jin Shuo)
