A staff member displays an AR device for information about cultural relics at the China International Digital Economy Expo 2021 in Shijiazhuang, north China's Hebei Province, Sept. 7, 2021. Themed "innovative development and digital economy," the China International Digital Economy Expo 2021 kicked off on Monday and will last until Sept. 8. The expo focuses on new business models, new patterns and hot topics in the digital economy, highlighting the coordinated development of the Beijing-Tianjin-Hebei region, the planning and construction of Xiong'an New Area and the preparation of the 2022 Winter Olympics. (Xinhua/Jin Haoyuan)
