Smart tractor with BeiDou navigation system assists farmers in China's Ningxia

A farmer introduces the BeiDou navigation system installed on a self-driving tractor in the field at Tawan Village of Wuzhong City, northwest China's Ningxia Hui Autonomous Region, April 17, 2018. The smart tractor, with application of the BeiDou navigation system, assist local farmers in achieving efficient and modernized agricultural work. (Xinhua/Wang Peng)