
Image source: Matt Beal on X, likely from the Scan Pyramids team
Many people have heard about the scan pyramids big void discovery of which currently further research and scanning is done. A recent update from Matt Beal on X showed that they now scanned the North Shaft with snake GPR in a radius of 15m. Below is the reason explained to why all this is happening.
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Jean Pierre Houdin

Image source: https://sharonjanethague.com/interview-with-jean-pierre-houdin/
This story starts with Jean Pierre Houdin, a French architect and his father. It has been going on for decades.

Source: Wikipedia https://en.wikipedia.org/wiki/Jean-Pierre_Houdin
Mehdi Tayoubi is the director of the ScanPyramids team. The ScanPyramids team and Jean Pierre Houdin are thus entwined from an early time. Besides his known internal ramp theory he is known for, as a suggestion how the pyramid was build, he also said there could be up to two more chambers in the great pyramid. He based this hypothesis on pyramids of Khufu’s father, Snefru who had antechambers to the burial chambers in the bent pyramid and in the red pyramid. He therefor speculated that such chambers could also exist in the great pyramid.
The design of treasuries and antechambers is used more frequently in ancient Egypt


Images showing the custom of “amntechambers / treasuries” Image sources: https://www.touregypt.net/featurestories/snefrubentp.htm and https://www.guardians.net/egypt/pyramids/dahshur/Sneferu/TheBentPyramid.htm
Even outside of pyramids in the valley of the kings, for example in king Tuts tomb.

lllustration showing the layout of the tomb of Tutankhamun.
It is thought that one of these chambers may be the tomb of Nefertiti (ca. 1370-1330 BC). Another theory is that Tutankhamun is actually buried in the outer section of a larger tomb complex. Photo: Claus Lunau – Source: https://egypt-museum.com/inside-tomb-of-tutankhamun/
The great pyramid and where to look
To access these chambers, Jean Pierre houdin proposed that there is a removable block, or blocks, in the north wall, which are not loadbearing. This was well sumarized in a 2018 forum post. He also said the chambers are likely a bit lower like Snefrus design.



Source: https://www.egiptoforo.com/forums/showthread.php?t=34230&page=2 I think these images are from Jean Pierre Houdin himself at least the left one.
This short article summarized what they are looking for and gives more context and background information, to “the big void and gives context to the first image why they are now scanning there in july 2026.

Other possible future discoveries
Besides the Menkaure discovery of 2025 based on my paper of 2018, Matt Sibson proposed in 2018 via a video, but not via a formal written paper, that there could be an undiscovered antechamber in the red pyramid behind the block that stands out like a sore thumb.

Image source: wikipedia https://en.wikipedia.org/wiki/File:Massive_corbel-vaulted_ceiling_of_the_Red_Pyramid%27s_Main_burial_chamber_%2814609359948%29.jpg
This is also highly plausible taking the visual clues in mind. This was his original idea and if any discovery is made there he should also be credited and is worth a watch. I recommend watching his video of 2018.
It is note worthy that it was Jean Pierre Houdin drawing of the north wall of the great pyramid, who both inspired myself and Matt Sibson from the ancient architect channel, to “Read the stones”. This directly led to my 2018 Menkaure paper and the later confirmed voids by the Scan pyramid team in 2025.



