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

A reveller, covered in mud, chats with friends during the Glastonbury Festival at Worthy Farm in Somerset, Britain, June 26, 2015. The outdoor festival runs from 24 to 29 June. (Photo by Dylan Martinez/Reuters)

Japan's delegation gather to sign the formal surrender document on the U.S. Navy battleship USS Missouri in Tokyo Bay in a September 2, 1945 file photo. (Photo by Reuters/US Navy)

An Egyptian dancer performs the Tanoura outside a coffee shop at al-Muizz street in the old Islamic quarter of Cairo on August 29, 2024. (Photo by Khaled Desouki/AFP Photo)

Argentine singer-songwriter Maria Becerra arrives for the Person of the Year Gala, as part of the events surrounding the 25th Annual Latin Grammy Awards, in Miami, Florida on November 13, 2024. (Photo by Marco Bello/Reuters)

Alice Goodridge (left) and Tanya Mackenzie (right), members of the Loch Insh Dippers wild swim group, take part in a Christmas-themed swim in the frozen Loch Insh, Kingussie, in the Cairngorms National Park, Scotland on Friday, December 13, 2024. (Photo by Jane Barlow/PA Images via Getty Images)

Lucas Moraes (BRA) and Armand Monleon (ESP) of team Toyota Gazoo Racing trains during the shakedown prior Rally Dakar 2025 in Bisha, Saudi Arabia on January 02, 2025. (Photo by Marcelo Maragni/Red Bull)