A street peddler arranges masks for sale on a stand in Zhengzhou, Central China’s Henan province on Monday. [Photo/Xinhua] |
Special coverage:
Air quality suffers due to smog
Related:
Cold snap to expel China's lingering fog
Beijing moves to curb prolonged haze pollution
Beijing air pollution reaches dangerous levels
Smoggy weather engulfs large areas of China
Healthy debate over Beijing's air quality
Heavy fog forces kids to stay in classroom for exercise