They Were Master Builders
![](https://www.obsev.com/wp-content/uploads/sites/2/2019/09/Aztec-Legendary-People-05-1024x768.jpg)
The Aztec capital, Tenochtitlan, was an incredible achievement in engineering. When Spanish conquistadors first arrived in Tenochtitlan they discovered that it was somewhere between 3 and 5 square miles in size in spite of its very unique locations.