출처: http://www.bbc.com/news/world-asia-india-37887937 Delhi smog: Schools closed for three days as pollution worsens6 November 2016 From the sectionIndia Delhi smog: 'Children are prisoners behind their masks' Delhi's chief minister has shut all schools in the Indian capital for three days as its citizens struggle with choking smog. After an emergency cabinet meeting, Arvi..