Self-driving sweeper car put into service in Hohhot, N China's Inner Mongolia

A self-driving sweeper car is put into service at Inner Mongolia Normal University in Hohhot, north China's Inner Mongolia Autonomous Region, Jan. 9, 2019. (Photos: Xinhua)

A self-driving sweeper car is put into service at Inner Mongolia Normal University in Hohhot, north China's Inner Mongolia Autonomous Region, Jan. 9, 2019.

A self-driving sweeper car is put into service at Inner Mongolia Normal University in Hohhot, north China's Inner Mongolia Autonomous Region, Jan. 9, 2019.