Even crazier is that the structures in the Great Pyramid were built larger than what was needed, with empty/semi empty spaces in between that were later filled

Even crazier is that the structures in the Great Pyramid were built larger than what was needed, with empty/semi empty spaces in between that were later filled by smaller blocks [1]. 1: https://www.nationalgeographic.com/science-advance/20/12/ https://www.nationalgeographic.com/science-advance/20/12/...