???? ????? ????? ????In the course of the center Kingdom, pyramid design methods modified once again. Most pyramids built then have been minor greater than mountains of mud-brick encased within a veneer of polished limestone. In quite a few cases, later pyramids had been constructed on top of natural hills to even further reduce the quantity of mat

???? ????? ????? ????All through the center Kingdom, pyramid construction tactics changed once more. Most pyramids developed then were minimal a lot more than mountains of mud-brick encased within a veneer of polished limestone. In various circumstances, later on pyramids were constructed in addition to all-natural hills to even further reduce the