Acueducto de los Milagros

The Aqueduct of the Miracles is a Roman aqueduct in the Roman colonia of Emerita Augusta –present-day Mérida, Spain–, capital of the Roman province of Lusitania. It was built during the first century AD to supply water from the Proserpina Dam into the city. After the fall of the Roman Empire, the aqueduct fell into decay and today it is in ruins with only a relatively small section of the aqueduct... (Wikipedia)