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According to reports on Live Science, remains of a 4,500-year-old ramp system have been unearthed in an ancient quarry in the Eastern Desert - and this could start answering questions archaeologists have had for over 100 years.
The archeologists, from the French Institute for Oriental Archaeology and from the University of Liverpool, believe the system would have been used to move the heavy stones and blocks up the steep ramp.
They think it was possibly how the ancient Egyptians built the Great Pyramid in the name of the pharaoh Khufu.
Yannis Gourdon, co-director of the joint mission at Hatnub, told Live Science: "This system is composed of a central ramp flanked by two staircases with numerous post holes. Using a sled which carried a stone block and was attached with ropes to these wooden posts, ancient Egyptians were able to pull up the alabaster blocks out of the quarry on very steep slopes of 20 percent or more."
The other co-director of the mission, Roland Enmarch, said ropes attached to a sled would have acted as a 'force multiplyer' - this would make it easier for the stones to be transported up the ramp.
Yannis added: "This kind of system has never been discovered anywhere else.The study of the tool marks and the presence of two [of] Khufu's inscriptions led us to the conclusion that this system dates back at least to Khufu's reign, the builder of the Great Pyramid in Giza."
The Great Pyramid is the largest of the three pyramids of Giza - these were built for the three pharaohs Khufu, Khafre and Menkaure.
The one constructed for Khufu was the largest and measured in at a staggering 146 metres tall (481 feet).
Yannis continued: "As this system dates back at least to Khufu's reign, that means that during the time of Khufu, ancient Egyptians knew how to move huge blocks of stone using very steep slopes. Therefore, they could have used it for the construction [of] his pyramid."
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