Hashima is an islet of 6.3 hectares lying off the coast of Nagasaki prefecture. From afar, its buildings and high walls, designed to protect it from typhoons, make it look like a fortress, or rather like a battleship, hence its Japanese nickname 'Gunkanjima' (軍艦島), or 'Battleship Island'. During the Meiji Era (1868-1912) Hashima played an important role in Japan's rapid industrialisation . Coal, the fuel of the first industrial revolution, was abundant in the region. In 1890 Hashima was bought by Mitsubishi , which set up coal-mining facilities. The company transformed the islet into a major industrial site and a pioneering residential area, a model for Japan's industrial and urban development. Mitsubishi sank vertical shafts of about 200 metres, erected massive walls and carried out land reclamation projects in order to obtain new land for the construction of factories. Due to the demand for labour, workers began to flock to Hashima. The population g