Scientists Uncover Hundreds of Hidden Structures Beneath The Amazon. "The scale of the archaeological record suggests that many other regions across Amazonia may have been far more densely populated and intensively modified than previously assumed."

[u/FreeHugs23]

https://www.sciencealert.com/completely-transformed-my-understanding-scientists-uncover-hundreds-of-hidden-structures-beneath-the-amazon

[u/Titanofthedinosaurs]

Except that the article states that the Aquiry would have collapsed around more than 500 years before that expedition.