"Indian fashion students, wearing anti-pollution masks, hold placards as they gather to participate in a march through a market place for creating awareness on air pollution in New Delhi, India, Friday, Nov. 2, 2018. With air quality reduced to ""very severe"" in the Indian capital region, authorities are bracing for a major Hindu festival featuring massive fireworks that threatens to cloak New Delhi with more toxic smog and dust. (AP Photo/Altaf Qadri) 
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