Recent archaeological findings have significantly shifted the perception of the Amazon rainforest from being solely a primordial nature reserve to a region that was extensively engineered by ancient civilizations, particularly by the ancient Amazonians who created complex waterways. This innovation reportedly allowed them to cultivate maize effectively, suggesting a high level of environmental manipulation and agricultural skill. The comments raise intriguing considerations about how this historical context is reflected in the folklore and ethnology of contemporary indigenous communities, potentially revealing oral histories regarding agricultural practices and societal structures that flourished and declined with these environmental changes. Understanding these narratives might offer insights into the events leading to the eventual downfall of those civilizations.