Journalists visit the venue of the 2021 Smart China Expo in Southwest China's Chongqing municipality, Aug 22, 2021. The 2021 Smart China Expo, set to be held from Aug 23 to 25 in Chongqing, aims to promote exchanges in smart technologies and international cooperation in the smart industry. [Photo/Xinhua]
Photo taken on Aug 22, 2021 shows the venue of the 2021 Smart China Expo in Southwest China's Chongqing municipality. [Photo/Xinhua]
A journalist views the 3D display products at the venue of the 2021 Smart China Expo in Southwest China's Chongqing municipality, Aug 22, 2021. [Photo/Xinhua]
Journalists work at the venue of the 2021 Smart China Expo in Southwest China's Chongqing municipality, Aug 22, 2021. [Photo/Xinhua]
A journalist experiences automatic driving at the venue of the 2021 Smart China Expo in Southwest China's Chongqing municipality, Aug 22, 2021. [Photo/Xinhua]
