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CT scans find possible tunnel in Mexico's Teotihuacan ruins

CT scans find possible tunnel in Mexico's Teotihuacan ruins

Technology
Archaeologists at Mexico's Teotihuacan ruins have found evidence that the city's builders dug a tunnel beneath the Pyramid of the Moon and researchers said one of its purposes may have been to emulate the underworld. The National Institute of Anthropology and History said researchers used a kind of computerized tomography scan to discover the apparent tunnel about 30 feet (10 meters) below the surface of the plaza in front of the pyramid. The CT scan suggests the tunnel may have been filled in antiquity. Other tunnels have been discovered at Teotihuacan, and one at Temple of the Plumed Serpent has been explored. Experts say the tunnels may be associated with sacred flows of water and the underworld. "The discovery would confirm that the inhabitants of Teotihuacan followed the same pattern...