A video explaining how agriculture thrived in arid south-central Andes during the 13th to 15th centuries. This material relates to a paper that appeared in the 20 Dec. 2017, issue of Science Advances, published by AAAS. The paper, by P. Cruz at CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas) in Buenos Aires, Argentina, and colleagues was titled, "Rain-fed agriculture thrived despite climate degradation in the pre-Hispanic arid Andes."
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