eroded wall with holes of the cuevona in the medulas former roman gold mine in a day with a lot of fog in the medulas. nature, tra

2018 ancient archaeological archeology beautiful beauty bierzo castilla cave cliffs countryside cuevona day desert engineering eroded erosion excavation fog former gold heritage high history holes image landscape landscapes las leon lion lot medulas mine mining monument mountain natural nature november open photo red rock roman sand santina site spain tourism tourist tra travel unesco vegetation view wall