Life of a family amid Beijing's red alert smog

Updated: 2015-12-22 07:40

(Agencies)

Life of a family amid Beijing's red alert smog

Jiang Zhen's son Doudou shows the air quality around an air purifier with a portable device that measures air quality on the second day after Beijing issued its second ever "red alert" for air pollution, in Beijing, December 20, 2015. [Photo/Agencies]