A reporter selects books at the media center of the third China International Import Expo (CIIE) in Shanghai, east China, Nov. 3, 2020. (Xinhua/Zhao Dingzhe)

Volunteers work at the media center of the third China International Import Expo (CIIE) in Shanghai, east China, Nov. 3, 2020. (Xinhua/Zhao Dingzhe)

Staff members work at the media center of the third China International Import Expo (CIIE) in Shanghai, east China, Nov. 3, 2020. (Xinhua/Zhang Yuwei)

A reporter works at the media center of the third China International Import Expo (CIIE) in Shanghai, east China, Nov. 3, 2020. (Xinhua/Zhang Yuwei)

Volunteers work at the media center of the third China International Import Expo (CIIE) in Shanghai, east China, Nov. 3, 2020. (Xinhua/Zhang Yuwei)