In 1909, John and Morton Edgar photographed mysterious red ochre lines inside the Great Pyramid. These parallel marks may have guided ancient builders—and they're fading fast from modern tourism. Similar traces in the Bent Pyramid have nearly vanished entirely.
Red ochre reference lines found in Great Pyramid's Grand Gallery
EgyptHeritage
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Key facts
- John and Morton Edgar photographed red ochre reference lines inside the Great Pyramid in 1909
- The lines appear on the lentil above the passage leading to the Queen's Chamber
- A second pair of lines closer to the center was detected in lantern slide transparencies
- The pattern of parallel lines (one palm's width between sets, two palms between pairs) matches rope hole arrangements in the portcullis antichamber
- These marks are rapidly disappearing due to modern tourism
- Similar red ochre marks in the Bent Pyramid's sarcophagus chamber have nearly faded completely
Sources
sketchfab.com
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keithhamilton.academia.edu
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giza.mused.com
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isida-project.ucoz.com
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