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Moray
Located high in the Andes, Moray is an Incan agricultural laboratory that was likely used to cultivate resistant and hearty varieties of plants. Several circular terraces could be seen on the site. As the lower terraces have lower temperatures. The terraces could also be used to study the effects of different climatic conditions on crops. 150 meters (492 feet) is about how deep the deepest crater is with up to 15° C temperature difference between the top and the bottom level.
