Three second-Sphinx claims circulate at Giza, but none has been confirmed by excavation or independent peer review. Filippo Biondi claimed 80% confidence in a Sphinx beneath a 108-ft mound, based on SAR data discussed on Matt Beall's March 2026 podcast. A 1929 Hermann Junker aerial photo shows no mound of that scale, and Egyptologist Dr. Peter Brand identifies the feature as a 20th-century debris ramp. Reda Abdel Halim's GCF1 candidate lacks visible paws and a face; Bassam El Shamma's 1997 proposal remains untested. Fascinating debate, but the evidence isn't there yet. 🏛️
Three competing Second Sphinx theories at Giza remain unproven
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Key facts
- Filippo Biondi appeared on Matt Beall's Limitless podcast on March 26, 2026, claiming that SAR radar scans indicated a second Sphinx buried beneath a 108-ft mound on the Giza Plateau.
- Biondi claimed 80% confidence in the identification, citing a geometric match with the Great Sphinx. No excavation, independent peer-reviewed confirmation or Egyptian-authority confirmation of a second Sphinx has been reported. A related 2022 Biondi paper in Remote Sensing concerns the Great Pyramid and is retracted.
- A 1929 aerial photograph taken by Hermann Junker and published through the Austrian Academy of Sciences shows no mound of the claimed 108-ft scale, indicating that the present mound developed during the 20th century.
- Egyptologist Dr. Peter Brand identifies the mound as a debris ramp created during 20th-century excavation campaigns.
- Dr. Reda Abdel Halim's GCF1 site in the southern causeway area near Khafre's pyramid has sphinx-like proportions from one westerly direction but lacks visible paws and a face.
- Bassam El Shamma first proposed a second Sphinx behind the Valley Temple in 1997, using early satellite imagery and ancient texts; the proposal has not been tested by excavation.
- The Dream Stele was placed between the Great Sphinx's paws by Thutmose IV around 1401 BCE and depicts two Sphinx images. Mainstream Egyptology interprets both as the same deity, Hor-em-akhet, shown from east and west.
Sources
Researchers detect second Sphinx beneath Pyramids of Gizanypost.com
Radar engineer Filippo Biondi claims he found signs of a Sphinx located beneath the Pyramids of Giza, suggesting that the existence of a ...
Expert Rejects Claims Of Second Sphinx Discovery Beneath Giza ...ndtv.com
Italian researchers, led by Filippo Biondi and Corrado Malanga, claim to have found evidence of a second Sphinx buried beneath the Giza ...
Did Researchers Discover a Second Sphinx at Giza? - Miami Heraldmiamiherald.com
To be clear, no confirmed archaeological evidence of a second Sphinx exists, and no excavation has taken place at the mound Biondi identifies.
Second SPHINX found under Giza Plateau - YouTube Musicmusic.youtube.com
Researcher Filippo Biondi shares new findings from satellite radar scans that suggest a buried structure mirroring the Great Sphinx. His data ...
Is there a second Sphinx? Why a satellite expert suddenly goes viralbluewin.ch
Biondi locates the alleged second Sphinx at a specific point on the Giza plateau. The starting point is a geometric reflection: he draws a ...
Is there a second Sphinx? Why a satellite expert suddenly ...bluewin.ch
Biondi locates the alleged second Sphinx at a specific point on the Giza plateau. The starting point is a geometric reflection: he draws a corresponding line ...
The Second Sphinx of Gizaarchaeologicalrescue.org
Filippo Biondi and Dr. Corrado Malanga presented their scans of a previously unknown buried Sphinx at the Giza Plateau, roughly the same size and shape of the ...
Synthetic Aperture Radar Doppler Tomography Reveals ...mdpi.com
by F Biondi · 2022 · Cited by 31 — RETRACTED: Synthetic Aperture Radar Doppler Tomography Reveals Details of Undiscovered High-Resolution Internal Structure of the Great Pyramid of Giza. Filippo ...
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