Aerial photo taken on Oct. 21, 2020 shows an unmanned patrolling and waste collecting machine works in a river in Hangzhou, east China's Zhejiang Province. (Xinhua/Xu Yu)
Xinhua photos of the day
Source: Xinhua| 2020-10-22 11:28:47|Editor: huaxia
Aerial photo taken on Oct. 21, 2020 shows an unmanned patrolling and waste collecting machine works in a river in Hangzhou, east China's Zhejiang Province. (Xinhua/Xu Yu)
