A Bra-Made Mask Against Beijing Pollution

A man in Beijing takes a pink-color bra as his temporary mask against serious pollution.

Masks to protect against China's smog not always effective, tests

Beijing smog face mask hi-res stock photography and images - Alamy

Beijing NOT watching sunrises on giant TVs due to pollution

Beijing Is on Red Alert Over Smog

PHOTOS: Smog smothers Beijing in city's first-ever pollution red

Record Beijing air pollution forces warning from China officials

Function Meets Fashion: China's Pollution Masks Take High-End Turn

China's face mask industry under scrutiny as pollution worsens

N95 respirator - Wikipedia

Pollutionwatch: do face masks really prevent the ill effects of pollution?

Beijing Is on Red Alert Over Smog

Barely suitable – DW – 02/24/2014

4.2 Causes and Consequences of Air Pollution in Beijing, China