Inka scattered sacred coca leaves over sacrificed llamas, excavation suggests

Image: Phys.org
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- Deep in Peru's Acarí Valley lie the ruins of Tambo Viejo, an Inka provincial center where excavations have uncovered tasseled sacrificial llamas and brightly adorned guinea pigs. But save for a few seeds and some stored leaves, evidence of how the Inka used one of their most sacred plants in…