30 days countdown of Tokyo Olympic Games(1/3)

A pedestrian walks by a countdown clock shows the time remaining for the opening of Tokyo Olympic Games in Tokyo, Japan on June 23, 2021. June 23 marks the 30 days countdown to Tokyo Olympic Games. (Xinhua/Wang Zijiang)

A security man patrols outside the Tokyo Metropolitan Government Building in Tokyo, Japan on June 23, 2021. June 23 marks the 30 days countdown to Tokyo Olympic Games. (Xinhua/Wang Zijiang)

Photo taken on June 23, 2021 shows the Olympic rings and a part of the new National Stadium, the main venue for Tokyo Olympics and Paralympics, in Tokyo, Japan. June 23 marks the 30 days countdown to Tokyo Olympic Games. (Xinhua/Wang Zijiang)