Flag bearers Bunpichmorakat Kheun and Sokong Pen of Team Cambodia during the Opening Ceremony of the Tokyo 2020 Olympic Games at Olympic Stadium on July 23, 2021 in Tokyo, Japan. (Photo by Kai Pfaffenbach/Reuters)

A diving competitor during a practice session at Tokyo Aquatics Centre ahead of the Tokyo 2020 Olympic Games in Japan on Wednesday, July 21, 2021. (Photo by Stefan Wermuth/Reuters)

Yndiara Asp of Brazil takes part in a women's Park Skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. (Photo by Ben Curtis/AP Photo)

U.S. Corporal Stanley Suski, left, and Miss Tamako, a Geisha girl, whirl a bit of Jitterbug, in a bar, in Tokyo, Japan, on October 1, 1945. (Photo by AP Photo)

Toyoda Gosei Co Ltd's personal mobility concept airbag car "Flesby" is displayed at the 44th Tokyo Motor Show in Tokyo, Japan, October 28, 2015. (Photo by Yuya Shino/Reuters)

A Maiko, a traditional Japanese dancer, walks in the snow in Gion, Kyoto's famous geisha district, January 7, 2006 in Kyoto, Japan. The ancient city Kyoto attracts the largest number of visitors in Japan and has been increasing every year. (Photo by Koichi Kamoshida/Getty Images)

Terashima Takeshi and Akaishi Kazuya of Japan block a shot from Indonesia during day one of the ISTAF Super Series at Palembang Sport Convention Center on February 23, 2012 in Palembang, Sumatra, Indonesia. (Photo by Nicky Loh/Getty Images for UFA Sports)

A eight-metre-long Whale shark swims with other fish in a worlds' largest tank with its front panel size of 8.2 metre x 22.5 metre at the Okinawa Churaumi Aquarium on February 26, 2010 in Motobu, Okinawa, Japan. Japan's most popular aquarium attracts more than 2.5 million visitors per year. (Photo by Koichi Kamoshida/Getty Images)