>>17289586Maybe they did both, depending on the type of stone.
Pic related looks like they threw a bunch of rubble and sand in a giant bag along with some kind of chemical to turn it all into stone, but they got the mix a bit wrong on one, and it crumbled.
Inca stones tend to have weird nodules near the bottoms of some of the stones but not all of them. Bag corners?
Also at these Inca sites you often see that the original walls have been damaged and then been repaired with smaller stones of much less quality, yet academics say it's the same people who built everything.
Locals didn't even pretend to build shit like Pumapunku. They said "The Gods" built it in one night!
