Beijing pollution: Schools keep children indoors - BBC News
1,100+ Beijing Smog Stock Photos, Pictures & Royalty-Free Images - iStock | China smog, Beijing mask, Air pollution
Record Beijing air pollution forces warning from China officials to keep kids indoors - CBS News
Smog levels in Beijing off the charts | South China Morning Post
Masks Become a Fashion Statement as Beijing Smog Persists
China's latest fashion craze: Smog masks | Grist
Rooftop sensors on U.S. embassies are warning the world about 'crazy bad' air pollution | Science | AAAS
PHOTOS: Smog smothers Beijing in city's first-ever pollution red alert | PBS NewsHour
Despite dangerous smog, most Beijingers go mask free | The Japan Times
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