Image: Roman Aqueduct

Pont du Gard is an aqueduct located in south east France. In the image, you can see how the aqueducts were designed and also get a sense of how much work was put into the construction of each one.

National Geographic Society. "Roman Aqueducts." National Geographic Society. July 03, 2018. Accessed May 01, 2019. https://www.nationalgeographic.org/encyclopedia/roman-aqueducts/.