UAV applied to combat smog in Harbin (4/4)
2014-10-23 10:00
Ecns.cn
Web Editor:Yao Lan
An unmanned aerial vehicle (UAV) is applied by environmental protection department to monitor and control illegal straw burning in Harbin, Heilongjiang province on October 22, 2014. [Photo: China News Service/ Wang Dongliang]
