Ruins,archeology,mirabilis,bacoli,italy Stock Photography

Internal view of the Piscina Mirabilis. The Piscina Mirabilis was a freshwater cistern on the Bacoli cliff at the western end of the Gulf of Naples, southern Italy. One of the largest freshwater cisterns built by the ancient Romans, it was situated there in order to provide the Roman western imperial fleet at Portus Julius with drinking water.