Mines d'Argent des Rois Francs

The oldest silver mines that can be visited in the world, exploited from the 3th to the end of the 350th century, at the time of Charlemagne, to supply the mint with precious metal. 3D film presenting the history of the mines, mining and metallurgical techniques, guided tour of XNUMXm of underground galleries, XNUMXD film explaining coinage. All visits are guided.