That’s facsinating. A few years ago I heard a contractor discussing ancient ruins he had examined. He said that the ancients lifted and precisely fitted mammoth stones that the very best 21st century cranes could not lift. Do you have any sense of the lifting capacity of modern cranes?
Me I just quote smarter folks than I and say “We don’t know, what we don’t know”
When that fails “It must be Aliens”
https://www.youtube.com/watch?v=WIBnN7CfDC4
There are stones cut at some ruins at Puma punka that we cannot re-produce the folks that did had no Steel and transported the material for many miles without the Wheel nor written language or math...
Things that make ya go Hmmmm