Section 1
Tenochtitlán: The City on the Lake
The Aztecs were master engineers who built their capital, Tenochtitlán, on a swampy island in the middle of Lake Texcoco. Because land was scarce, they expanded the island by building Chinampas, or "floating gardens." These were artificial islands made of woven reed mats piled with mud, which provided extremely fertile land for growing crops to feed the massive city.
To connect the island to the mainland, the Aztecs constructed massive Causeways (raised earthen roads). They also built a complex system of dikes to prevent flooding and separate salty water from fresh water. A twin-pipe Aqueduct brought fresh spring water from the hills into the city center, demonstrating a level of urban planning comparable to ancient Rome.