An aerial view taken with a drone shows people walking past dried lava (L) from a previous volcanic eruption as they make their way to a location closer to watch the fresh volcano eruption near Grindavik, Reykjanes, Iceland, 17 July 2025. According to the Icelandic Meteorological Office, a magma flow has begun at the Sundhnuk crater range on 16 July. (Photo by Jakob Vegerfors/EPA)

Actress Marney McQueen attends the 2025 ARIA Awards at Hordern Pavilion at Hordern Pavilion on November 19, 2025 in Sydney, Australia. (Photo by Hanna Lassen/Getty Images)

Youths play football in a flooded field following rain in Jantho, Aceh province on November 24, 2025. (Photo by Chaideer Mahyuddin/AFP Photo)

A puma rolls and yawns on frost-covered ground in Laguna Amarga, Torres del Paine, Chile in the first decade of December 2025, pausing briefly after several hours of rest before continuing on her way. (Photo by Sara Jenner/Solent News & Photo Agency)

Aryna Sabalenka of Belarus takes a selfie with fans after winning against Madison Keys of the United States during their women's singles match of the China Open tennis tournament, at the National Tennis Center in Beijing, Wednesday, October 2, 2024. (Photo by Achmad Ibrahim/AP Photo)

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.

“Thunderstruck”. Summer stom. A super cell formed off the coast of New Zealand, intensified and swept across Christchurch and North Canterbury, February 23, 2014. Photo location: Christchurch, New Zealand. (Photo and caption by David Hardy/National Geographic Photo Contest)