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Via ferrata underground route
The building housing Tellure Park is built on the same underground site where numerous silver veins were discovered in the 14th century causing the Silver fever. The Saint-Jean Engelsbourg silver mine known as La Colonne Saint-Jean is the largest man-made underground cavity in the Vosges Mountains, a particularly breathtaking cavity (180m3). The mine will close definitively in 1976 but in 2009 the Vosges will be keen to help people discover this incredible maze. Laid out like a caving route, the Via Ferrata was born.
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