Linked from
The 12 pages that link to Aqueduct, each with the reason it gives.
TenochtitlanRelated: Aqueducts brought fresh water from springs beyond the lake to the city.
ArchRelated: Arched tiers let Roman aqueducts cross valleys while supporting water channels.
BridgeBroader topic: Some aqueducts use bridge-like structures to carry water across gaps.
Water diversionRelated: Aqueducts extend diversion networks across valleys and other obstacles.