Perhaps the most renowned aspect of Incan architecture is the use of terraces to increase the land available for farming. These steps provided flat ground surface for food production while protecting their city centers against erosion and landslides common in the Andes. Modern engineers copy this agriculture architecture method, such as Pepperdine University in Malibu, California. The civil engineers at Machu Picchu built these so well that they were still intact in 1912 when Hiram Bingham re-discovered the lost city.
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