Visitors look at exhibits at the International Digital Economy Expo 2018 in Shijiazhuang, north China's Hebei Province, Sept. 20, 2018. The three-day event kicked off here on Thursday. (Xinhua/Zhan Xincheng)
A visitor interacts with a robot at the International Digital Economy Expo 2018 in Shijiazhuang, north China's Hebei Province, Sept. 20, 2018. The three-day event kicked off here on Thursday. (Xinhua/Zhan Xincheng)
A visitor experiences a VR device at the International Digital Economy Expo 2018 in Shijiazhuang, north China's Hebei Province, Sept. 20, 2018. The three-day event kicked off here on Thursday. (Xinhua/Zhan Xincheng)
Visitors interact with a robot at the International Digital Economy Expo 2018 in Shijiazhuang, north China's Hebei Province, Sept. 20, 2018. The three-day event kicked off here on Thursday. (Xinhua/Zhan Xincheng)