>> Archaeologists carefully remove a human skull from an ancient Aztec site beneath Mexico City. It's just one of hundreds in what's been described as a tower of human skulls inside one of the main temples of the Aztec capital, a site that has raised new questions about the culture of sacrifice in the ancient empire.
Roughly six meters in diameter, the tower stood at the corner of a chapel to the god of the sun. It's base has yet to be unearthed. Aztecs and other Mesoamerican cultures performed human sacrifices. Historians say severed heads of warriors or men captured in battles adorned skull racks found throughout Central America dating before the Spanish conquests.
But archeologists in Mexico finding the remains of women and children caked in lime and other fragments here.>>
> The towers believed to have formed part of a massive array of skulls that struck fear into Spanish conquistadors when they captured the city. A Spanish soldier's account from 1521 mentions the tower, where he claims to have counted thousands of skulls.
But we hadn't expected. It was not expected to find them here.>>