Chicomoztoc (place of the seven caves), where arise and migrating tribes nahuatlaca as place of origin of the inhabitants of the land, whose inhabitants of this place were Xelhua, Tenoch, Olmecatl, Xicalancatl, Mixtecatl and Otomitl from who descend the native peoples of Mesoamerica and Aridoamerica, also refers when mankind lived in caves.
