New-type street sprinkler help combat smog in Zhengzhou(1/3)
2014-11-21 14:05
Ecns.cn
Web Editor:Yao Lan
A sprinkler spreads water mist on a street of Zhengzhou, Central China’s Henan province on November 21, 2014. The new sprinkler equipped with high-pressure spray can release water mist which helps reduce pollution and dust in air. [Photo/ Yang Zhenghua]
