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)

Women wearing kimono and protective masks make their way to Coming of Age Day celebration ceremony, amid the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan, January 10, 2022. (Photo by Kim Kyung-Hoon/Reuters)

A member of team Japan performs during the women's team free final at the FINA World Championships in Budapest, Hungary on June 24, 2022. (Photo by Marton Monus/Reuters)

Camille Kovalev and Pavel Kovalev of France compete in the Pairs Short Program during the ISU World Figure Skating Championships at Saitama Super Arena on March 22, 2023 in Saitama, Japan. (Photo by Kim Kyung-Hoon/Reuters)

Kimono-clad young women take their selfies near a venue during the Coming of Age Day celebration ceremony in Yokohama, Japan on January 9, 2023. (Photo by Kim Kyung-Hoon/Reuters)

Those lights are actually bioluminescent shrimp, better known as sea fireflies, or, in Japan, as “umibotaru”. Visible every year from May until the end of October, they live in the sand around very shallow sea water and are often seen floating between the extremes of high and low tides. Here: Bioluminescent sea fireflies glittering like diamonds on the rocks and sand. Okayama, Japan. July 2016. (Photo by Trevor Williams/Jonathan Galione/Getty Images)

Spanish MotoGP rider Joan Mir (R) of Team Suzuki Ecstar and other MotoGP racers ride mini electric motorcycles at a fan event at Twin Ring Motegi in Motegi, Japan, 17 October 2019. The event was held ahead of the MotoGP race of Japan's Motorcycling Grand Prix scheduled for 20 October 2019. (Photo by Toru Hanai/EPA/EFE)