6
POPS80 Ancient "Cloud Warrior" Skeletons Found in Peru Fort The Chachapoya were known as fierce fighters, staving off Inca invasions in strongholds like Kuélap until falling to the empire in A.D. 1470. Experts praised the news of the discovery, noting that it may shed light on the poorly understood civilization. "This is a truly important new find," said Daniel H. Sandweiss, an anthropologist at the University of Maine.