Why it matters
Laser scanning revealed dense, planned urban networks at Upano and Casarabe. The Amazon was gardened and built — not pristine wilderness.
What mainstream says
Accepted and transformative; it reshapes how many lived in pre-Columbian Amazonia.
Notice the pattern: every time we look harder, the past turns out larger than we said.
Graded Grounded · A on the Ancient Code honesty scale (A grounded · C contested · S speculation · U unidentified). It belongs to the Before the flood line of evidence.
Sources & further reading
The authoritative reference for this site/finding — and its own primary citations — so you can check us.