A line of soldiers firing handguns during a training session, circa 1920. (Photo by Keystone). P.S. All pictures are presented in high resolution.

Ayaka Oshita, a 27-year-old diver, practices in preparation for the upcoming seasonal feeding performance as a Santa diver at Sunshine Aquarium at Ikebukuro in Tokyo, Japan, 07 December 2021. Oshita has 15-month experience for feeding fish at the aquarium after she joined the aquarium in 2019. The Santa diver performance will be held for three days around the Christmas time. The aquarium will not inform the performance time to avoid the visitors' crowd due to the COVID-19 pandemic. (Photo by Kimimasa Mayama/EPA/EFE)

A man holding a pet dog walks past blooming cherry blossoms along the Meguro river in Tokyo, Japan, March 27, 2022. (Photo by Kim Kyung-Hoon/Reuters)

Artists wearing Japanese traditional clown masks march during the First Konpira Festival at Kotohiragu shrine in Tokyo Wednesday, January 10, 2018. The shrine is dedicated to sailors and seafaring. (Photo by Eugene Hoshiko/AP Photo)

A deer walks across a pedestrian crossing in Nara, Japan, Thursday, March 19, 2020. More than 1,000 deer roam free in the ancient capital city of Japan. Despite the town's tourism decline, these wild animals are doing just fine without treats from tourists, according to a deer protection group. (Photo by Jae C. Hong/AP Photo)

Waka Tsukiyama and Sayaka Unagi compete during the Women's Pro-Wrestling “Stardom” at Korakuen Hall on September 06, 2021 in Tokyo, Japan. (Photo by Etsuo Hara/Getty Images)

Mei Hoshizuki and AZM compete during the Women's Pro-Wrestling “Stardom” at Korakuen Hall on September 28, 2020 in Tokyo, Japan. (Photo by Etsuo Hara/Getty Images)

A skater jumps through a ring of fire at the La Bodega Skate facilities as part of one of the Vans contests to showcase the top street skaters in Europe on September 16, 2023 in Jerez de la Frontera, Spain. (Photo by Juan Carlos Toro/Getty Images)