ナショナルジオグラフィックのインスタグラム(natgeo) - 9月8日 12時34分

Photo by George Steinmetz @geosteinmetz | An attempt to bring back an ancient Andean form of agriculture marks the land near Lake Titicaca, Peru. The Tiahuanaco, a pre-Inca people, discovered that raised beds could increase crop fertility and prevent frost in this basin at 12,000 ft. A local #Aymara farmer can be seen lower right, bicycling off to harvest his quinoa, which has become the cash crop of these high-altitude farmers. #foodsecurity To view more of our world from above, follow @geosteinmetz.

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