Moray Inca destruction

in #esteem6 years ago

Moray (Inca destruction), Cusco, Peru The purpose of the circular depression is uncertain, but the depth and orientation to the wind and sun creates a temperature difference up to15 ° C between the top and bottom. This temperature difference is likely to be used by the Inca to study the effects of various weather conditions on plants
image
(www.google-pus.com)

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