Robot patrols electrical substation in Tianjin(1/4)

Photo taken on November 24, 2014 shows a robot at an electrical substation in Binhai New Area of Tianjin. The robot, built with surveillance cameras and sensor, can traverse across the rugged external surface of a substation and observe equipment. The operator can direct the robot to specific parts of the substation and the robot can send pictures of the present condition or any damage at a substation. [Photo/enorth.com.cn]