فى فترة 1,500 سنة، اتبنى 118 هرم ب20,000 إلى 30,000 عامل مصرى، في خدمة الفراعنة في مصر القديمة. ↑ Dunn 2010, p. 270. ↑ "Who Built the Pyramids?". National Geographic Society. 1996. اطلع عليه بتاريخ 25 July 2012. ↑ "4,300-year-old pyramid discovered in Egypt". رويترز at MSNBC. November 11, 2008. اطلع عليه بتاريخ 2008-11-12. The pyramid, which Hawass said was the 118th found in Egypt, was uncovered near the world's oldest pyramid at Saqqara, a burial ground for the rulers of ancient Egypt. Vallogia, Michel (University of Geneva), Joanne Rowlands (جامعة أوكسفورد), and Dr زاهي حواس (Secretary General of the Egyptian Supreme Council of Antiquities). (2008-06-23). The Lost Pyramid. [Television documentary]. History. http://www.history.com/minisites/lostpyramid. Retrieved 2008-12-12.