Hashima Island, Japan. This former coal mining facility once housed thousands of workers during the industrialisation of Japan. Tall concrete apartment complexes were built to pack workers onto the small island, and a large seawall was built around it to protect against tsunamis. As petroleum replaced coal, the island was eventually completely abandoned.
Remember the deserted island seized by Javier Bardem’s deranged Bond villain in Skyfall? That’s a real place in Japan. Located 15km off the coast of Nagasaki, Hashima island (also known as Gakuranman) used to host a flourishing mining town, but was subsequently abandoned by its inhabitants in the 70s when Japan’s reliance on coal dwindled.