Temple of the Feathered Serpent, detailed view, The Citadel, Teotihuacan, Mexico State, Mexico

temple feathered serpent teotihuacan citadel ancient architecture stone carvings mexican history cultural heritage archaeological site mesoamerican civilization ruins artistry pyramids relics craftsmanship landscape tourism architectural detail stonework society prehispanic religious culture mythical sculptures tourist attraction important sites conservation monument visitor experience historical significance exploration preservation discovery structures landmarks ciudadela