According to archaeologist Israel Elizalde Aztecs kept eagles in captivity to use them in the offerings and, in some cases, to use their skins, bones and feathers to manufacture garments or objects.
Archaeologist Leonardo López says the 27-foot long tunnel was found leading into a platform where dead rulers were cremated.
El trabajo del mexicano fue considerado uno de los diez mejores trabajos en investigación arqueológica a nivel mundial por el Fórum Arqueológico de Shanghai