A second network of galleries was discovered in 1965. Another 6 km (4 miles) of breathtaking galleries were found, 1500 m (1600 yd) of which are now open to the public.
There is a diversity and profusion of minerals in the cave, including aragonites, Helictites (eccentrics) and triangular crystals. This is one of the most beautiful caves in Europe, part of a geological heritage we must preserve for future generations. It also represents a journey in time and space deep in the underground world of our planet.