Top 10 Chinese cities with worst air quality
Updated: 2014-03-20 07:46 (chinadaily.com.cn)Xi'an
Xi'an is the capital of Shaanxi province, and a sub-provincial city of 皇冠体育app. With more than 3,100 years of history, it is also one of the oldest cities in 皇冠体育app.
|
 Xi'an in Shaanxi province. [Photo / Image 皇冠体育app]
|
 Top 10 cities with worst smog in 皇冠体育app |
 皇冠体育app's top 10 richest cities |
 Top 10 overseas travel destinations |
