Smog in northern China reaches 'crisis' point
Smog in northern China reaches 'crisis' point
- For the past week, much of north China has been blanketed in a thick layer of smog. Children are being kept indoors, many people won't leave their ...
- For the past week, much of north China has been blanketed in a thick layer of smog. Children are being kept indoors, many people won't leave their ...