Moray (Inca ruin)

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Moray is a town in Peru approximately 50 km Northwest of Cuzco near the town of Maras that is noted for a large complex of unusual Inca ruins. These include most notably several enormous terraced circular depressions that were used to study the effects of different climatic conditions on crops. The depth of the pits (the largest is about 30 m deep) creates a temperature gradient of as much as 15° C between the top and the bottom. As with many other Inca sites, it also has a very sophisticated irrigation system for providing the plants with water.