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Roman aqueducts are a testament to the advanced engineering skills of the ancient Roman Empire. structures were designed transport water distant sources cities towns. Using a downward , they relied on to move water over many . The most recognizable features of aqueducts are their stone arches, which allowed them to cross valleys and uneven terrain. This reliable water supply was essential for public baths, fountains, and private households, significantly improving urban sanitation and quality of life.