During construction, each layer of the pyramid stones was placed with a precision of no more than 0.1 mm along the sides’ line.

During construction, each layer of the pyramid stones was placed with a precision of no more than 0.1 mm along the sides’ line. The distance between the stones is never more than 0.5 mm. It was left intentionally to insert the cement mortar, which is unknown how it was pumped or its composition and withstood […]

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