An intriguing new discovery may finally put to bed the question of how one of the Seven Wonders of the Ancient World was built.
Archaeologists have unearthed a 4500-year-old quarry at Egypt's Great Pyramids, which could prove the theory that workers used a ramp system to drag huge alabaster bricks onto the site.
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The archaeologists, from the French Institute for Oriental Archaeology and from the University of Liverpool, say their find shows workers likely used sleds and rope to carry the heavy loads.
"This kind of system has never been discovered anywhere else," Yannis Gourdon, co-director of the mission, told Live Science.
"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."
Experts have long argued what construction system was used by the Ancient Egyptians responsible for building the Great Pyramid.
While many agree it's likely that ramps and sleds were used, no unequivocal evidence had ever been found. It's still not known quite how the system enabled them to build the structure, Live Science reports.
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