China International Exhibition Center in Beijing on March 25, 2020. [Photo by Zou Hong/China Daily]
China International Exhibition Center in Beijing on March 25, 2020. [Photo by Zou Hong/China Daily]
China International Exhibition Center in Beijing on March 25, 2020. [Photo by Zou Hong/China Daily]
China International Exhibition Center in Beijing on March 25, 2020. [Photo by Zou Hong/China Daily]
China International Exhibition Center in Beijing on March 25, 2020. [Photo by Zou Hong/China Daily]