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Italian radar engineer Filippo Biondi says new satellite data strongly supports claims that there are massive underground structures beneath the Giza Plateau.
He says matching scans from four satellites makes the results difficult to deny. (Image source: X)
Italian scientists caused a global stir earlier this year when they announced that a massive underground system may lie thousands of feet beneath the Giza Plateau in Egypt. Their claim suggests that the area beneath the pyramids could have contained passages and deep chambers larger than modern stadiums.
Now, Filippo Biondi, the radar engineer behind the project, has shared new evidence that he believes supports their findings. In a recent interview on Jesse Michaels’ “American Alchemy” show, he said that the data collected so far point to the same hidden underground structures.
Multiple satellite teams found the same results
Biondi explained that four satellite companies – Umbra, Capella Space, ICEYE and Italy’s Cosmo-SkyMed – recorded matching images using his radar method. “All four satellites gave the same results,” he said in the interview. “This is really amazing. We can’t announce anything without these basic scientific methods.”
His team uses a technique he developed called synthetic aperture Doppler radar tomography. Instead of sending radar through the ground, this method reads small surface vibrations. These vibrations carry sound patterns from objects deep below, helping computers create 3D images even when the radar itself does not enter the soil.
What do the scans show?
According to Biondi, the images show eight giant hollow columns extending directly to the bottom of Khafre’s pyramid. Each one has a central shaft wrapped in perfect spirals. The shafts appear to terminate more than 3,500 feet deep in cube-shaped chambers 260 feet long on each side.
“The pyramids are the tip of the iceberg,” he added. “It’s just a hat to complement something that’s underneath. The material is underneath.”
When asked if these spirals were natural, he replied: “100 percent. They are man-made. You don’t find perfect coils like this in geology.”
Watch the video here:
Experts remain skeptical
Several famous Egyptologists, including Dr. Zahi Hawass, have dismissed the findings as “fake news,” according to the Daily Mail. Hawass said that radar technology cannot reach the depths claimed by the Italian group. However, the team says they have seen similar structures under Menkaure’s Pyramid, under the Sphinx, and even 30 miles away in Hawara, known as the Labyrinth.
Team pays for physical exploration
Biondi said they did not know the purpose of the columns but suggested the coils could be ladders or cables. “I can say that this structure, and the tubes extending underneath the pyramid, appear to be linked to information,” he said. “Power generation is a type of information. Information is everything.”
He added that blind tests have proven his method works, including a perfect reading of the Gran Sasso underground laboratory in Italy. The team has now submitted a proposal to Egypt to remove the ancient columns filled with debris. “We just need permission to clean them up and get down,” Biondi said. If approval comes soon, he believes real exploration could begin in 2026.
Podcast host Jesse Michels ended the interview by saying, “After this conversation, I’m convinced about a lot of it. These kinds of discoveries are accelerating. Humanity feels ready.”
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11 December 2025 at 6:52 PM IST
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