Aqueducts
...builders mastered the art of the aqueduct. All of Rome’s aqueducts have stood for many centuries before their usually voluntary destructions. During their use, the aqueducts were supervised and repaired, which helps to their long last. Most of the length of aqueducts are just tunnels bored through rock and hills. The use of arches were used to carry the water between hills and valleys and also helped to keep the above to save room and carry to different cities. Because the land sometimes didn’t allow the best route, the aqueducts did not travel in a straight line. Ventilation shafts were dug throughout the length an aqueduct that also served as access point. Also at different points, troughs were built or dug out to allow the water to be filtrated before leading on to be used in cities. None of the water was stored and the left over water washed away sewage.Some of the tallest a...