Re:Pre-Inca canal system uses hillsides as sponges to store ...
by brianbreslin on Monday January 06, 2020 @07:27PM
(#21975279)
If anyone ever has the chance to explore Peru and the Sacred Valley, I highly recommend it. There are some fascinating ruins apart from Macchu Picchu like Moray which they believe was a greenhouse where each steppe is a different microclimate.
http://www.andeantravelweb.com/peru/destinations/cusco/moray...