Why it matters
Colossal limestone blocks fitted without mortar in irregular joints so tight a blade will not slip between them — Inca masonry at its peak.
What mainstream says
Reproduced in method; extraordinary, but understood craft.
Graded Contested · C on the Ancient Code honesty scale (A grounded · C contested · S speculation · U unidentified). It belongs to the Impossible stone line of evidence.
Sources & further reading
The authoritative reference for this site/finding — and its own primary citations — so you can check us.