The historic aqueduct in the city of Lisbon.
The main course of the aqueduct covers 18 km, but the whole network of canals extends through nearly 58 km.
The centerpiece of the aqueduct, the arches over the Alcantara valley, has total of 35 arches crossing the valley, covering 941 m.
|Aqueduto das Águas Livres, Lisbon, Portugal|