this post was submitted on 20 Jun 2023
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Explain Like I'm Five
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Couldn't they have found something like that ages ago?...
How on earth is this just happening in 2023. Ultrasound, xrays, whatever. SOMETHING would have shown this cavity.
Not sure how old the program was OP watched but they found one void in 2017 using cosmic rays. I'm guessing the pyramids are way too solid for ultrasound or x-ray to work.
https://www.science.org/content/article/cosmic-rays-reveal-unknown-void-great-pyramid-giza
Potentially I suppose. They must be much larger than I anticipate.
The base has a length of 230 meters on each side and the largest interior chamber measures roughly 10 x 5 x 6 meters so yeah, loads of dense solid stone there.