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The ancient builders forged the blocks of the outer and internal casings and, most probable, the upper components of the pyramids the usage of a limestone concrete, known as a geopolymer. The kind of concrete pyramid developers used should reduce pollution and live longer than Portland cement, the maximum not unusual sort of cutting-edge cement. The book describes Ancient civilizations had been capable of makeup for their highly primitive technology by being clever in locating methods to perform excellent architectural achievements with quite a simple approach. Perhaps we are the restricted ones, depending on an excessive amount of on our personal technology and no longer our ingenuity to triumph over boundaries.