![This Aug. 6, 2014 photo released by Mexico's National Institute of Anthropology and History (INAH) shows a sculpture unearthed at the Teotihuacan archeological site in Mexico. Mexican archaeologists have concluded a yearslong exploration of a tunnel sealed nearly 2,000 years ago at the ancient city of Teotihuacan and found thousands of relics. Teotihuacan dominated central Mexico centuries before the rise of the Aztecs in the 14th century. (AP Photo/Proyecto Tlalocan, INAH)](https://webarchive.library.unt.edu/web/20141031204250im_/http://www.dallasnews.com/incoming/20141029-mexico_teotihuacan_40515106.jpg.ece/ALTERNATES/w110/MEXICO_TEOTIHUACAN_40515106.JPG)
Mexico archaeologists explore Teotihuacan tunnel sealed 2,000 years ago
A years-long exploration at the ancient city yielded thousands of relics and the discovery of three chambers that could hold more important finds.
A years-long exploration at the ancient city yielded thousands of relics and the discovery of three chambers that could hold more important finds.