Journalists work at the Main Press Center of Tokyo 2020 in Tokyo, Japan, July 18, 2021. (Photos: Xinhua/Yang Lei)

Journalists pass by a notice board of Covid-19 countermeasures at the Main Press Center of Tokyo 2020 in Tokyo, Japan, July 18, 2021.

Journalists work at the Main Press Center of Tokyo 2020 in Tokyo, Japan, July 18, 2021.

Journalists carry equipments into the Main Press Center of Tokyo 2020 in Tokyo, Japan, July 18, 2021.

Journalists work at the Main Press Center of Tokyo 2020 in Tokyo, Japan, July 18, 2021.

Journalists work at the Main Press Center of Tokyo 2020 in Tokyo, Japan, July 18, 2021.

Journalists work at the Main Press Center of Tokyo 2020 in Tokyo, Japan, July 18, 2021.