A worker mows the lawn at the south square of the National Exhibition and Convention Center (Shanghai), a main venue for the fourth China International Import Expo, Oct 23, 2021. [Photo/Xinhua]
Volunteers of the upcoming 4th China International Import Expo participate in a swearing-in ceremony at the National Exhibition and Convention Center (Shanghai), Oct 20, 2021. [Photo/Xinhua]
Volunteers of the upcoming 4th China International Import Expo participate in a swearing-in ceremony at the National Exhibition and Convention Center (Shanghai), Oct 20, 2021. [Photo/Xinhua]
Photo taken on Oct 22, 2021 shows a street view near the south square of the National Exhibition and Convention Center (Shanghai), a main venue for the fourth China International Import Expo. [Photo/Xinhua]
