Black Tower (Brașov)

Black Tower (Romanian: Turnul Negru, Schwarze Turm, Hungarian: Fekete torony) is a fort of Braşov, Romania The tower located on a large rock on Warthe Hill. The purpose of the tower was to deny enemy soldiers access to the city walls, which, in this case, were no further than 5 meters (the pass was only widened in 1819–1820).

Building data from Wikidata (CC0); heights normalised. Summary from Wikipedia (CC BY-SA).