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Delhi air: Eating berries and wearing masks to beat pollution - BBC News
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Pollution Chic: China's Smog Prompts Face Masks on Fashion Week Runways - ABC News
Protesters in face masks march against Belgrade's smog | AP News
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A tourist wearing a face mask against air pollution takes a selfie on the Tian'anmen Square in heavy smog in Beijing, China, 18 November 2016. A red Stock Photo - Alamy
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