http://www.smithsonianmag.com/history-archaeology/Farming-Like-the-Incas.html
The Incas were masters of their harsh climate, archaeologists are
finding, and the ancient civilization has a lot to teach us today
By Cynthia Graber
Smithsonian.com, September 07, 2011,
Inspired by recent archaeological research, the people in the Cuzco
region of Peru are rebuilding terraces and irrigation systems and
reclaiming traditional crops and methods of planting.
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