A Japanese white-eye is seen on a branch of cherry blossoms at Kyoto Imperial Palace on March 26, 2010 in Kyoto, Japan. (Photo by Akihiro I/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.

A woman runs across the street next to an anti-tank constructions in central Kyiv, Ukraine on March 10, 2022. (Photo by Gleb Garanich/Reuters)

A diving competitor during a practice session at Tokyo Aquatics Centre ahead of the Tokyo 2020 Olympic Games in Japan on Wednesday, July 21, 2021. (Photo by Stefan Wermuth/Reuters)

American actress and model Bella Thorne in the last decade of September 2022 wears a barely-there dress joking she “didn't have a bikini”. (Photo by bellathorne/Instagram)

A man has snapped a series of images showing a cheeky fox stealing a McDonald's from a bin in a London park early December 2022. (Photo by Ashley James/Caters News Agency)

Two young girls play near a makeshift tent where their family stay after the earthquake in Samandag, southern Turkey, Thursday, February 16, 2023. Ever since the Feb. 6 earthquake decimated swaths of Turkey and Syria, survivors have gathered outside destroyed houses and apartments, refusing to leave. (Photo by Francisco Seco/AP Photo)

(L-R) American actresses Meghann Fahy and Haley Lu Richardson attend PEOPLE's post Screen Actors Guild Awards Gala at Fairmont Century Plaza on February 26, 2023 in Los Angeles, California. (Photo by Kevin Mazur/Getty Images)