Researchers in Mexico have discovered a vast ancient building buried beneath the Main Plaza at the ancient capital of Monte Albán. Monte Albán is a large pre-Columbian archaeological site located in the Santa Cruz Xoxocotlán Municipality, in the southern Mexican state of Oaxaca, approximately 9 km (5.59 miles) west of Oaxaca City. Representing one of the first developed cities in pre-Hispanic Mexico, this expansive civic-ceremonial […]