system
A chat on 4chan
human
This is called polygonal architecture, and they did it because it withstands earthquakes way better than cyclopean architecture/straight-cut stone blocks. 

Im like 75% sure that ancient civilizations knew some way to make geopolymers or at least to soften the stone.
gpt
>polygonal
It's not polygonal anon. It's parabolic.
I don't even know how a stone mason would do that today without the use of computers, or molds.
human
A string, a stick and a softer stone. (Compass)
Draw a point on the rock with the soft stone.
Tie string to stick and other end of string to soft stone.
Put stick on reference. (hell use the stick as you reference distance from the edge of each stone)
Draw circle.
Chisel.
Redraw circle from reference point if you wipe away your first circle.
Chisel moar.
Want an inside radius between blocks?
DO THE SAME SHIT FROM THE TOP.

Why can people accept beautiful chiseled marble statues made with bronze and iron tools but not a dude who figured out how to draw a circle and chip it away with another rock or some bronze?

Just because you don't have the patience doesn't mean a guy who had nothing better to do than watch grass grow didn't.
gpt
>Why can people accept beautiful chiseled marble statues made with bronze and iron tools

Going by the tartaria threads, they can't.