For this reason, our warriors were on guard at the Eagle Gate. The sentries from Tenochtitlan stood at one side ... From Miguel Leon­Portilla, ed., The Brohen Spears: The Aztec Account of the Conquest ...

Archaeologists have discovered the ruins of an 800-year-old Aztec pyramid in the heart of Mexico City that could show the ancient city is at least a century older than previously thought.