亚洲色怡人综合网站,国产性夜夜春夜夜爽,久久97AV综合,国产色视频一区二区三区

US EUROPE AFRICA ASIA 中文
China / Society

Beijing issues blue alert for heavy air pollution

(chinadaily.com.cn) Updated: 2015-12-29 20:06
Beijing issues blue alert for heavy air pollution

Residents skate and play ice hockey on a frozen river amid heavy smog during winter in Beijing, capital of China, Dec 29, 2015. A blue alert for heavy air pollution was issued by Beijing municipal emergency response headquarters. Beijing has been bothered by heavy pollution since the winter came. [Photo/Agencies]

Previous Page 1 2 3 4 5 6 7 8 Next Page

Highlights
Hot Topics
...