Bernd 2/24/2021 20:42:00 No. 42724 [Open] [Reply] Actions report Translate Thread... Hide Thread Translate... Hide Post american_scientist jpg (28.67 KB, 480x480) Here's another article with a bit moar info. Skimmed it through but still needs a proper read on by behalf. https://www.scientificamerican.com/article/why-some-amazonian-societies-survived-and-others-perished-amid-pre-columbian-droughts/