University of Guanajuato. March 14-16, 2018 - enginespics
Peralta main structure.  For more on Peralta excavations, see: https://en.wikipedia.org/wiki/Peralta_(Mesoamerican_site)

Peralta main structure. For more on Peralta excavations, see: https://en.wikipedia.org/wiki/Peralta_(Mesoamerican_site)