Medieval bridge and aqueduct, Ponte delle Torri, Spoleto, Umbria, Italy, Europe

Roman Aqueduct, UNESCO, Segovia, Castile and Leon, Spain

Amoreira Aqueduct, Elvas, UNESCO World Heritage Site, Alentejo, Portugal, Europe

A couple walking in Perugia's Aqueduct street with the cityscape in the back at sunset, Perugia, Umbria, Italy, Europe

Perugia's Aqueduct street with its famous bridge as seen from an alley, Perugia, Umbria, Italy, Europe

Perugia's Aqueduct street with its famous bridge, Perugia, Umbria, Italy, Europe

Perugia's Aqueduct street with its famous bridge, Perugia, Umbria, Italy, Europe

Acueducto de Santa Lucia - Morella, province of Castellon

Spain, Catalonia, Barcelona, Scuplture by Joan Brossa in front of Barcelonas Roman wall, where the aqueduct once entered the city and spells out the word Barcino, the Roman name of Barcelona.

Spain, Catalonia, Barcelona, Scuplture by Joan Brossa in front of Barcelonas Roman wall, where the aqueduct once entered the city and spells out the word Barcino, the Roman name of Barcelona.