The Aztecs had no Pack Animals
![](https://www.obsev.com/wp-content/uploads/sites/2/2019/09/Aztec-Legendary-People-16-1024x768.jpg)
What’s particularly impressive is how much engineering and building the Aztecs managed to achieve without actually having pack animals to help them. There were no horses, cows or sheep in the area, meaning that the Aztecs had to all heavily lifting themselves.