Photo taken on April 18, 2018 shows the inside of a driverless street sweeper in Shanghai, east China. Two driverless street sweepers have been employed for trial run in Shanghai Tus-Caohejing Science Park recently. (Xinhua/Ding Ting)
Driverless street sweepers employed for trial run in Shanghai
Source: Xinhua| 2018-04-18 21:22:08|Editor: ZX