国产精品永久免费视频- 无码精品A∨在线观看中文 -热re99久久精品国产99热-国产成人久久777777

US EUROPE AFRICA ASIA 中文
China / Society

Hazardous air pollution recorded in Northeast China

By Wang Yanfei (chinadaily.com.cn) Updated: 2015-11-09 14:50

Hazardous air pollution recorded in Northeast China

Photo taken on Nov 8, 2015 shows smog-shrouded downtown Shenyang, Northeast China's Liaoning province. Serious air pollution shrouded 14 cities in Liaoning province on Sunday, with provincial capital Shenyang witnessing a peak reading of the concentration of PM2.5 - airborne particles measuring less than 2.5 microns in diameter - of 1,017 micrograms per cubic meter.[Photo/Ecns.cn]

Highlights
Hot Topics
...