Upper: Xiang (right) and Geng test the sensor of the robot in their studio, April 10, 2015. Left: The design of the robot's main control panel. Right: The robot's main control panel and sensor. [Photo/Xinhua]
Xiang Jin, a primary school teacher, works with a telecom company staff Geng Xiaofeng to design robots for students to study in Xi'an, Northwest China's Shaanxi province.