Multi-rotor aircraft on patrol mission in Chongqing
A multi-rotor aircraft of Chongqing Electric Power Company is seen on a line patrol mission for the coming National Day holidays in Chongqing, southwest China’s municipality, Sept. 28, 2013. The company added specially modified multi-rotor aircrafts to line patrol work recently, in a bid to carry out full range inspection and improve efficiency. (Xinhua/Liu Chan)
