Dancers at the Windmill Theatre in London, England practice a routine wearing gas masks and hard-hats with their costumes, 1940. (Photo by Hulton Archive/Getty Images)

Frances Fowler leads the Bowie VFD Marching Thoroughbreds in the Bowie 4th of July Parade in Bowie, Md., on July 4, 1976. (Photo by James M. Thresher/The Washington Post via Getty Images)

Elise Graham takes part in the World Bog Snorkelling Championships 2017 with a rubber duck on her back on August 27, 2017 in Llanwrtyd Wells, Wales. The competition draws competitors from all over the world and is now in its 32nd year. (Photo by Matthew Horwood/Getty Images)

A Nepalese woman wearing a mask as a precaution against the coronavirus stands next to the clothing store in Kathmandu, Nepal, Tuesday, April 26, 2022. (Photo by Niranjan Shrestha/AP Photo)

Young couple in BDSM action on the leather sofa. (Photo by Alamy Stock Photo)

National Guardsmen are put through riot training in Boston's Commonwealth Armory on Friday, October 18, 1974. Massachusetts Gov. Francis W. Sargent called up the guard to quell school violence, but the city has been relatively calm and the guard has remained in the armories. (Photo by JWG/AP Photo)

Swimmer silhouetted in a waterslide in the coastal suburb of Glenelg, Adelaide, Australia on January 21, 2025. (Photo by Amer Ghazzal/Alamy Live News)

Fireworks are seen during New Year's celebrations in Tirana, Albania, on December 31, 2024. (Photo by Florion Goga/Reuters)