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. [Photo/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.[Photo/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. [Photo/Xinhua]
