Chinampas are a unique agricultural system used by the ancient Aztecs in what is now Mexico. These floating gardens were created by building up small islands in shallow lakes, using mud and decaying vegetation. This method allowed farmers to grow crops like maize, beans, and squash in nutrient-rich soil, while also providing a way to manage water levels. The design of chinampas maximized space and resources, making it possible to cultivate food year-round. This innovative technique not only supported the growing population of the Aztec Empire but also demonstrated their advanced understanding of sustainable farming practices.