Summary | Smog shrouded North China in the last few days of the
weeklong National Day holiday. The pollution also reduced
visibility, causing traffic congestion on expressways and
flight delays. Beijing has been hit frequently by smog in
recent years. Pollutants emitted by cars are the major cause of
the smog. But removing them from the streets is no easy task. ...
weeklong National Day holiday. The pollution also reduced
visibility, causing traffic congestion on expressways and
flight delays. Beijing has been hit frequently by smog in
recent years. Pollutants emitted by cars are the major cause of
the smog. But removing them from the streets is no easy task. ...
en.ce.cn | 08 December 2014