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Title
Tunnel to the center of the Earth #83644109
Description
The entrance tunnel to the Turda Salt Mine Salina Turda, which goes some 850 meters down into the Earth. The mine functioned from the ancient times up to 1932; it was declared a historical monument in 2010 and renovated as a touristic attraction. The Turda Salt Mine was described by Business Insider as the most beautiful underground place in the world.
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