People applaud as a delivery robot departs from the Nihonbashi Post Office to deliver traditional New Year's Day cards, during a ceremony in Tokyo on January 1, 2023. (Photo by JIJI Press/AFP Photo)

A pilot demonstrates an aircraft manufactured by US-based LIFT Aircraft in front of Osaka Castle in Osaka on March 14, 2023. (Photo by JIJI Press/AFP Phoot)

Sareee and Chihiro Hashimoto compete during the Women's Pro-Wrestling “Sareee-ISM” at Shinjuku FACE on May 16, 2023 in Tokyo, Japan. (Photo by Etsuo Hara/Getty Images)

People visit the sunflowers installation, which is a part of the immersive exhibition “Van Gogh Alive” featuring large scale of Van Gogh artworks, produced by Grande Experiences during a media event in Tokyo on January 11, 2024. (Photo by Philip Fong/AFP Photo)

Retired Mongolian-born “yokozuna” wrestler Hakuho (far L), who now goes by the name Miyagino, watches as participants (R) try to push out Japanese wrestler Hakuoho (C) during a sumo class for youngsters on the sidelines of the 14th Hakuho Cup, a competition for young sumo wrestlers from elementary and middle school, at the Kokugikan arena in the Ryogoku area of Tokyo on February 12, 2024. (Photo by Richard A. Brooks/AFP Photo)

A woman in Kimono poses for photos in front of mimosa and cherry blossom trees in Tokyo on March 8, 2024. (Photo by Yuichi Yamazaki/AFP Photo)

A woman takes pictures with the Kawazu cherry blossom trees, one of the earliest blooming cherry blossoms in Japan, in Tokyo's Sumida district on March 11, 2024. (Photo by Philip Fong/AFP Photo)

Students in Aone’s elementary school during break in between the class on April 9, 2015. The school has only six students, two of whom are from the same family. Similarly small schools can be found throughout Japan. (Photo by Ko Sasaki/The Washington Post)