The Turda Salt Mine is the most spectacular natural underground formation in the world ever created by humans. 120 m deep, 38 million tons of salt extracted. One "cave" is 50x80 m and 42 m high (168,000 m3), the other has a diameter of 75 m and is 90 m high. A huge thing, extremely worth seeing! Be sure to watch the video, it's really well done. salinaturda.eu/en