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.

Ballerinas perform during an ice-cream factory promotional event at an observation floor of the Moscow International Business Centre, also known as “Moskva-City”, in Moscow, Russia October 25, 2018. (Photo by Shamil Zhumatov/Reuters)

The provincial highest chimney collapses as it is demolished by explosives in Shenyang, Liaoning province, April 28, 2014. The 150-metre-high chimney used to be part of a local heating factory, according to local media. (Photo by Sheng Li/Reuters)

A production department of a textile factory is seen abandoned in Kaduna, Nigeria November 3, 2016. President Muhammadu Buhari hopes to revive the once flourishing textile and leather industries in northern Nigeria to end the country's dependence on oil exports and diversify Africa's biggest economy. (Photo by Afolabi Sotunde/Reuters)

A worker adds gunpowder into paper cylinders to make fireworks at a factory in Bocaue town, Bulacan province, Philippines, December 26, 2015. (Photo by Romeo Ranoco/Reuters)

Many powerful photographs have been made in the aftermath of the devastating collapse of a garment factory on the outskirts of Dhaka, Bangladesh. But one photo, by Bangladeshi photographer Taslima Akhter, has emerged as the most heart wrenching, capturing an entire country’s grief in a single image... Photo: Two victims amid the rubble of a garment factory building collapse in Savar, near Dhaka, Bangladesh, April 25, 2013. (Photo by Taslima Akhter)

Red Bull KTM Factory Racing team rider Brad Binder of South Africa speeds through a corner during a MotoGP practice session at the Australian MotoGP on Philip Island on October 18, 2024. (Photo by William West/AFP Photo)

Cars at a car dealership are seen in the flooded village of Fischerdorf, near Deggendorf June 7, 2013. REUTERS/Michaela Rehle