Tokyo 2020 Olympics - Beach Volleyball Training - Shiokaze Park, Tokyo, Japan - July 19, 2021 Athletes during training.

Dog Mae rests in his owner's arm, in front of the Olympic Rings during sunset, three days ahead of the official opening of the Tokyo 2020 Olympic Games, in Tokyo, Japan, July 20, 2021.

Banners are displayed at Main Press Center (MPC) for Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, at Tokyo Big Sight in Tokyo, Japan July 8, 2021.

Apartments overlook the floodlit Ariake Tennis Park Olympics venue in Koto City, Tokyo, Japan, July 9, 2021.

Tokyo 2020 Olympics Preview - Ariake Urban Sports Park, Tokyo, Japan - July 18, 2021 A worker prepares the Ariake Urban Sports Park for the skateboarding.

The National Stadium, the main venue of the Tokyo 2020 Olympic Games, is photographed from Shibuya Sky observation deck in Tokyo, Japan, July 19, 2021.

Construction workers are seen next to a scaffoldings for the spectator seats at Aomi Urban Sports Park, ahead of the opening of the 2020 Tokyo Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan July 8, 2021.

Staff wearing face masks and shields as a preventive measure against the coronavirus disease (COVID-19) wait for the arrival of foreign athletes at Haneda Airport ahead of Tokyo 2020 Olympic Games, in Tokyo, Japan July 8, 2021.

Tokyo 2020 Olympic Games mascot Miraitowa and Tokyo 2020 Paralympic Games mascot Someity merchandise is displayed inside a souvenir shop ahead of the Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) pandemic, in Chiba, Japan, July 17, 2021.

The giant Olympic rings are seen through a tree in the dusk at the waterfront area of Odaiba Marine Park, before the opening ceremony of the 2020 Tokyo Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan July 8, 2021.

Pedestrians wearing protective masks, following the coronavirus disease (COVID-19) outbreak, make their way in the rain in Tokyo, Japan, July 8, 2021.

Spectator seats are seen in Ariake Urban Sports Park, a venue for Tokyo 2020 Olympic Games, in Tokyo, Japan, July 9, 2021.

A road sign indicating lane priority for the Tokyo 2020 Olympic Games officials is seen in Tokyo, Japan, July 19, 2021.

Tokyo 2020 Olympics - Table Tennis Training - Tokyo Metropolitan Gymnasium, Tokyo, Japan - July 20, 2021 General view of athletes during training.

Spectator seats are seen in Ariake Urban Sports Park, a venue for Tokyo 2020 Olympic Games, in Tokyo, Japan, July 9, 2021.

Scaffoldings for the spectator seats are seen at Aomi Urban Sports Park, ahead of the opening of the 2020 Tokyo Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan July 8, 2021.

Tokyo 2020 Olympics - Tennis Training - Ariake Tennis Park, Tokyo, Japan - July 20, 2021 A volunteer is seen in a stand during training.

Technicians decorate the wall with handmade Olympic Rings at Main Press Center (MPC) for Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, at Tokyo Big Sight in Tokyo, Japan July 8, 2021.

A person protests against International Olympic Committee (IOC) President Thomas Bach's visit to Hiroshima, in Tokyo, Japan, July 16, 2021.

Police officers patrol outside the National Stadium, the main venue of Tokyo 2020 Olympics and Paralympics in Tokyo, Japan, July 19, 2021.

Tokyo 2020 Olympics Preview - Tokyo, Japan - July 20, 2021 Maria Watanabe, a Filipino living in Japan takes a selfie in front of the Olympic Rings outside The National Stadium, the main venue of the Tokyo 2020 Olympic Games.

Members of Paraguay's rowing team arrive at Haneda Airport ahead of Tokyo 2020 Olympic Games, in Tokyo, Japan July 8, 2021.

A person takes a photo of the Olympic Rings in front of the skyline during sunset, three days ahead of the official opening of the Tokyo 2020 Olympic Games, in Tokyo, Japan, July 20, 2021.

General view shows workroom for the press at Main Press Center (MPC) for Tokyo 2020 Olympic Games that have been postponed to 2021 due to the coronavirus disease (COVID-19) outbreak, at Tokyo Big Sight in Tokyo, Japan July 8, 2021.

A staff stands near empty spectator seats before the start of the Tokyo 2020 Torch Relay, in Tokyo, Japan July 9, 2021.

Tokyo 2020 Olympics Preview - Tokyo, Japan - July 18, 2021 Signs from the Belgium and Austria Olympic teams hang on the appartment building hosting Olympics participants at the Athletes Village, where two athletes have tested positive for COVID-19.

Tokyo 2020 Olympics - Tennis Training - Ariake Tennis Park, Tokyo, Japan - July 20, 2021 Naomi Osaka of Japan during training.

A person photographs the Olympic Rings in front of the skyline during sunset, three days ahead of the official opening of the Tokyo 2020 Olympic Games, in Tokyo, Japan, July 20, 2021.