Photo taken on Aug 21, 2022 shows an exhibition hall of the 2022 Smart China Expo in Southwest China's Chongqing. The 2022 Smart China Expo is set to be held from Aug 22 to 24 both online and offline. [Photo/Xinhua]
A staff member plays the Chinese board game Go (Weiqi) with a robot at the venue of the 2022 Smart China Expo in Southwest China's Chongqing, Aug 21, 2022. [Photo/Xinhua]
A smart robot makes coffee at the venue of the 2022 Smart China Expo in Southwest China's Chongqing, Aug 21, 2022. [Photo/Xinhua]
A staff member demonstrates an explosion-proof robot for inspection in chemical facilities at the venue of the 2022 Smart China Expo in Southwest China's Chongqing, Aug 21, 2022. [Photo/Xinhua]
Aerial photo taken on Aug 21, 2022 shows a view of the Chongqing International Expo Center, main venue of the 2022 Smart China Expo, in Southwest China's Chongqing. [Photo/Xinhua]
