A visitor plays the finger-guessing game with a robot at an exhibition of high technologies and equipment during the fourth China-Arab States Expo in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Sept. 7, 2019. (Xinhua/Feng Kaihua)
Xinhua photos of the day
Source: Xinhua| 2019-09-08 15:58:10|Editor: huaxia
