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originally posted by: Jarocal
People don't honestly believe all the surfaces for the blocks were finished like an outward face do they? On a wall with a rubble infill between two wall courses the backcut wall will last better as the infill settles over time.
Even adobe blocks were not traditionally completely flat on all faces due to the method of casting.
I can imagine the speculation that would arise if evidence of a timbrel or Catalan arch ever arises in an ancient site.
originally posted by: theantediluvian
a reply to: 6Taco6Smell6
If these people possessed such an amazing technology, why wouldn't they put the stones in molds and make uniformly sized bricks?
I agree with Kapriti and others above. Could it be that the original was built a long long time ago and the top wore away and was replaced by a civilisation which did not know how to make the perfectly-fitting stones used at the base? You or I would probably just pile the best rocks we could find on top if the structure was crumbling or disintergrating at the top. Dry stone walling is another art which is not as easy as it looks.
...but as you look higher up the wall, you can observe a gradual transition as less and less time was spent finishing the stones until at the very top it looks like any other dry stacked stone.