Podziemne Miasto na Wyspie Wolin #48

The Underground City on Wolin Island, also known as the Vineta Battery, is a complex of coastal artillery batteries and underground bunkers built between 1936 and 1938 in Świnoujście on Wolin Island. It is listed in the West Pomeranian Voivodeship's register of immovable monuments and is open to the public as a tourist attraction. The song "Disconcerned" (by Kevin MacLeod) is licensed under the Creative Commons Attribution 4.0 License. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/