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Teotihuacan is a vast Mexican archaeological complex northeast of Mexico City. Running down the middle of the site, which was once a flourishing pre-Columbian city, is the Avenue of the Dead. It links the Temple of Quetzalcoatl, the Pyramid of the Moon and the Pyramid of the Sun, the latter two with panoramic views from their summits. Artifacts in the Museum of Teotihuacan Culture, on-site, include pottery and bones.