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Roman Eifel aqueduct
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The Roman Eifel Aqueduct, also known as the Roman Canal, supplied the Roman city of Cologne with fresh water. It is considered one of the longest aqueducts of the Roman Empire and the largest ancient structure north of the Alps. Its length and the sophisticated engineering that allowed water transport solely by gravity show the advanced technology of the Romans.
History+
Around 80 AD, the Eifel Aqueduct was built in the northern Eifel region to supply the rapidly growing Roman Colonia Claudia Ara Agrippinensium, modern-day Cologne, with sufficient high-quality drinking water. Previously, the city used an older conduit, the Vorgebirge Aqueduct, but its capacity was no longer sufficient.
Source: Wikipedia · Licence: CC BY-SA 4.0
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 50.5526, 6.6292