A sanitation worker checks the dirt container of a smart cleaning robot in Hohhot, capital of north China's Inner Mongolia Autonomous Region, Nov. 20, 2019. The device is able to circumvent any obstacle it encounters along computerized cleaning routes. (Xinhua/Liu Lei)
Smart cleaning robot seen on street in Hohhot, China's Inner Mongolia
Source: Xinhua| 2019-11-20 22:28:24|Editor: Xiang Bo
Video PlayerClose
YOU MAY LIKE
MORE PHOTOS