A real and exciting trip to the best kept secrets of the oldest mines in the world, which ceased their regular activity in 2003. The facilities of the Mining Park, the wells, buildings and facilities are the heart of this World Heritage Site.   Upon entering the interior mine, we will make a tour of the mine exploited in the s. XVI and XVII, going down in a mine cage through the San Teodoro well to the first floor (50 meters deep). Here we can contemplate the Gallery of Forced, the Well and the Baritel of San Andrés, the Well of San Aquilino, the Plan of San Julián, the Hermitage of the Virgen de la Mina …   Impressive, by its form and special expression, the winch of San Andrés, an installation of principles of s. XVIII that had as objective to extrac…