In the state of Hidalgo, northeast of Mexico City, lies the ancient Toltec city of Tula. Although it was systematically destroyed by its conquerors in 1665, some of its buildings still survive, such as the pyramid of Quetzalcoatl and the figures representing the Atlanteans, who were warriors of the most important military government in central Mexico. From these remains, we have learned about the construction processes that made its development... see more