Retos de los investigadores, tras los recientes hallazgos
Experts from Mexico's National Autonomous University say they found a subterranean cavity about 20 meters deep below the pyramid of Kukulkán.
Retos de los investigadores, tras los recientes hallazgos
Experts from Mexico's National Autonomous University say they found a subterranean cavity about 20 meters deep below the pyramid of Kukulkán.