the aqueduct aguas livres in portuguese: aqueduto das aguas livres aqueduct of the free waters is a historic aqueduct in the city

aerial aguas alcantara ancient antique aqueduct aqueduto arch architecture attraction bridge building canal city cityscape construction destination engineering europe european famous heritage historic historical history holidays industrial landmark lisboa lisbon livres monument old outdoor pattern portugal portuguese remarkable reservoir structure supply tourism tourist touristic town travel trip urban vacation view water