“The banker”. Underwater Sculpture, Museo Subacuático de Arte, Cancun. (Photo by Jason deCaires Taylor/UnderwaterSculpture)

Secret arrive during the 1st Gaon Chart K-POP Awards at Blue Square on February 22, 2012 in Seoul, South Korea. (Photo by Chung Sung-Jun/Getty Images)

A 69-meter-tall giant Buddha statue stands at the Wat Paknam Phasi Charoen temple on the outskirts of Bangkok on October 12, 2021. (Photo by Jack Taylor/AFP Photo)

The snitch runner takes the broom from between the legs of a Werewolves of London quidditch player during the Crumpet Cup quidditch tournament on Clapham Common on February 18, 2017 in London, England. (Photo by Jack Taylor/Getty Images)

Pro-democracy protesters dressed in traditional Thai costumes take part in an anti-government rally in Bangkok on October 14, 2020. (Photo by Jack Taylor/AFP Photo)

American singer-songwriter FLETCHER celebrates with Tequila Don Julio 1942 at her Pride after party in Los Angeles, CA on June 9, 2023. (Photo by Taylor Kahan)

American actress Anya Taylor-Joy and Australian actor Chris Hemsworth are seen on May 08, 2024 in Los Angeles, California. (Photo by PG/Bauer-Griffin/GC 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.