Now all they have to do is find the ancient sawmill where the druids purchased their 2x4’s and the theory’s complete.
... with a router to carve out a nice trough for the rock ball bearings!
There are estimates that it took several hundred years to complete the structures.
So we also have to question: ‘who kept the architects’ drawings and engineers’ drafts’?????
Archeologists apply modern applications - when they should really ask a few 2nd graders how they would create this circle. Our know-how is the accumulation of centuries of trial and error - we should examine basic human capabilities and resources. (Rivers of ice;)