Nepalese youths wearing masks and carrying placards participate in a rally demanding the government of Nepal to take urgent action to address the deteriorating air quality in cities of Nepal, in Lalitpur, Nepal, Jan. 20, 2017. (Xinhua/Pratap Thapa)
Nepalese youths wearing masks and carrying placards participate in a rally demanding the government of Nepal to take urgent action to address the deteriorating air quality in cities of Nepal, in Lalitpur, Nepal, Jan. 20, 2017. (Xinhua/Pratap Thapa)
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