Answer:
The Roman aqueduct was a channel used to transport fresh water to highly populated areas. Aqueducts were amazing feats of engineering given the time period. ... As water flowed into the cities, it was used for drinking, irrigation, and to supply hundreds of public fountains and baths....
The aqueducts provided the large volumes of water that—after serving drinking, bathing, and other needs—flushed through the sewers. A system of eleven aqueducts supplied the city with water from as far away as the river Anio....
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