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TEOTIHUACAN, Mexico — A long-sealed tunnel has been found under the ruins of this ancient city, and chambers that seem to branch off it may hold the tombs of some of the city’s early rulers, archaeologists said Tuesday.
Experts say the social structure of Teotihuacan remains a mystery after nearly 100 years of exploration at the site, best known for the towering Pyramids of the Moon and the Sun.
Denver Post wire services
