Concept
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The Inca People
Terraced farmland in Peru
Terraces allowed Inca farmers to utilize the mountainous terrain and grow around seventy different crops.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Terraced farmland in Peru."
https://en.wikipedia.org/wiki/Terrace_(agriculture)#/media/File:Pisac006.jpg
Wikipedia
CC BY-SA 3.0.