What were some challenges engineers faced in designing aqueducts Italy?

Engineers faced several challenges when designing aqueducts in Italy, including the need to transport water over varying terrains, such as hills and valleys, which required innovative solutions like arches and bridges. They also had to ensure the aqueducts maintained a consistent gradient to facilitate the flow of water, which demanded precise calculations and extensive surveying. Additionally, the materials available at the time, such as stone and concrete, posed limitations in terms of durability and construction techniques, making it essential to design structures that could withstand the test of time and natural elements. Lastly, ensuring the aqueducts were resistant to contamination and could provide clean water to urban centers added another layer of complexity to their engineering.