China Int'l Digital Economy Expo held in Hebei(1/9)

People experience a smart vehicle at the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)

People watch a 5G driverless sweeping vehicle at the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)

People experience VR at the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)

A staff member shows a wearable phone at the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)

People visit the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)

People visit the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)

People try out 5G smart cars at the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)

People visit the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)

People visit the China International Digital Economy Expo (CIDEE) in Shijiazhuang, north China's Hebei Province, Oct. 11, 2019. (Xinhua/Wang Xiao)