Visitors are seen at the Intelligent Cockpit Section during the Smart China Expo 2023 in southwest China's Chongqing Municipality, Sept. 4, 2023. The Smart China Expo 2023 opened at Chongqing ...

An exhibitor debugs an autonomous mobile robot at the venue for 2023 Smart China Expo in southwest China's Chongqing, Sept. 3, 2023. The 2023 Smart China Expo will be held at Chongqing International ...

This photo taken on Sept. 4, 2023 shows the venue of the Smart China Expo 2023 in southwest China's Chongqing Municipality. The Smart China Expo 2023 opened at Chongqing International Expo Center ...