The flower wars were semi-ritual battles fought between members of the Aztec Triple Alliance and surrounding city-states, in which participants followed a strict set of conventions at sacred sites known as cuauhtlalli or yaotlalli.
The crystal skulls have been the subject of much controversy and speculation, claimed to be the work of pre-Columbian Mesoamerican cultures, such as the Aztec and Maya.
Excavations by the Instituto Nacional de Antropología (INAH) have found an Aztec house and elements of the colonial and industrial past of Mexico City.
Archaeologists excavating in the Templo Mayor site, located in the former Aztec capital of Tenochtitlan in Mexico City have uncovered over 160 starfish placed as ritual offerings.