A model is seen backstage, having makeup applied, ahead of the Casely-Hayford show during The London Collections Men SS17 at BFC Show Space on June 11, 2016 in London, England. (Photo by Jeff Spicer/Getty Images)

Shura Kitata of Ethiopia runs past cardboard cut-outs of the Duke of Cambridge and the Queen at the London Marathon in London, Britain, 04 October 2020. (Photo by Tom Jenkins/The Guardian)

British singer-songwriter Charli XCX arrives at The BRIT Awards 2025 at The InterContinental London O2 on March 1, 2025 in London, England. (Photo by Jed Cullen/Dave Benett/Getty Images)

American singer-songwriter and actress Teyana Taylor attends the London premiere for the movie “One Battle After Another” in London on September 16, 2025. (Photo by Katie Collins/Reuters)

English National Opera presents Georges Bizet's “Carmen” at the London Coliseum in London on October 6, 2025. (Photo by Jane Hobson/Rex Features/Shutterstock)

Talini (R), a 9-month old 160-pound polar bear cub, swims with her mother Barle at the Detroit Zoo's Artic Ring of Life exhibit August 25, 2005 in Royal Oak, Michigan. Talini's birth was the first polar bear birth at the Detroit Zoo in fifteen years. Her mother Barle was wild born and was rescued by the Detroit Zoo from a circus in Puerto Rico in 2002. (Photo by Bill Pugliano/Getty Images)

Only after World War II did the secret spill: Ōkunoshima, located in the Inland Sea of Japan between Hiroshima and Shikoku, was the top-secret site for manufacturing chemical warfare. When the factories were closed down, a number of exotic wild rabbits were seen freely roaming the island. They were assumed to have been the test subjects for the chemical weapons, which the military failed to eradicate when the factory was demolished.