Sergey, one of the participants of PARTISAN courses, poses for a portrait in an abandoned building in Olgino, St. Petersburg, Russia on November 23, 2016. Sergey came to St. Petersburg from the city of Cheliabinsk to attend an intensive seven-day program. Sergey is a businessman, a traveller and a blogger. His another passion are “men's hobbies”, that's why he participated in the paramilitary courses. (Photo by Alexander Aksakov/The Washington Post)

A woman plays on a swing on the beach in Santa Monica, Calif., Wednesday, June 22, 2022. (Photo by Jae C. Hong/AP Photo)

Rescuers work to put out fire outside a damaged residential building hit by recent shelling in the course of Russia-Ukraine conflict in Donetsk, Russian-controlled Ukraine on November 7, 2023. (Photo by Reuters/Stringer)

Four-man bicycle is powered by five chains and has brakes on both its wheels, 1948. The bike was built by Art Rothschild (top position) who broke three ribs while learning how to ride it. (Photo by Wallace Kirkland/Time & Life Pictures)

A participant learns to throw a grenade during a military exercise for civilians conducted by members of the Georgian National Legion paramilitary volunteer unit amid threat of Russian invasion in Kyiv, Ukraine on February 4, 2022. (Photo by Serhii Nuzhnenko/Reuters)

A Dinosaurs makes his way around the course meeting Racegoers who are enjoying racing at Taunton Racecourse, Taunton, Somerset, England on April 10, 2025. (Photo by Phil Mingo/PPAUK/Rex Features/Shutterstock)

Friends (L-R) Katherine Olson, Olivia Carroll and Maron Ross take a memory during the 148th running of the Preakness Stakes at Pimlico Race Course on May 20, 2023. (Photo by Jonathan Newton/The Washington Post)

Participants take part in the Mud Day race, a 13km obstacle course, on March 24, 2017 in the Israeli Mediterranean coastal city of Tel Aviv. (Photo by Jack Guez/AFP Photo)