What is "kuhikugu"

Kuhikugu is an archaeological site located in Brazil, at the headwaters of the Xingu River, in the Amazon Rainforest. The area around Kuhikugu is located in is part of the Xingu National Park today. Kuhikugu was first uncovered by anthropologist Michael Heckenberger, working alongside the local Kuikuro people, who are the likely descendants of the original inhabitants of Kuhikugu.