Leonardo da Vinci, Sforza Castle and Secret passage

Archaeologists Followed a Sketch by Leonardo da Vinci. It Led to Secret Tunnels Under an Ancient Castle.
An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to exist. Ground-penetrating radar and laser scanning revealed that the historic passages made famous by a Leonardo da Vinci drawing is just one of multiple tunnel sections.
Archaeologists Blown Away After Finding Secret Tunnels That Da Vinci Had Drawn Over 500 Years Ago
Archaeologists Blown Away After Finding Secret Tunnels That Da Vinci Had Drawn Over 500 Years Ago Researchers from the Polytechnic Institute of Milan visited the site of Italy’s famed Sforza Castle as part of a doctoral thesis and conducted a technological study.
Secret Passageways Recorded in Leonardo da Vinci’s Sketches Discovered Beneath a Medieval Castle in Milan
Using ground-penetrating radar and laser scanners, researchers identified subterranean structures just a few feet below the ground. The pathways may connect Sforza Castle to a nearby basilica
Radar confirms Leonardo da Vinci’s sketches of tunnels beneath 15th-century castle
As per the Politecnico di Milano, the investigation has “revealed the presence of numerous underground passages under the Sforza Castle.”
A Da Vinci discovery: Unearthing hidden tunnels beneath a medieval castle
A lost sketch by Leonardo da Vinci has led to the discovery of hidden tunnels beneath Sforza Castle, revealing secrets buried for centuries
Da Vinci Was Right: Secret Tunnels Discovered Beneath Italian Castle
For centuries, whispers of hidden tunnels beneath Milan’s iconic Sforza Castle have intrigued historians and treasure hunters alike.
London's secret tunnels to open as new tourist attraction with the UK's deepest bar
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AFP on MSN12h
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Inside the Secret Tunnel on US-Mexico Border Likely for Migrants & Drugs | Firstpost America | N18G
Inside the Secret Tunnel on US-Mexico Border Likely for Migrants & Drugs | Firstpost America | N18G US authorities recently ...
Daily Jang11d
Mexican border officials plan to close 'secret' tunnel used for smuggling
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Tulsa Foundation for Architecture offers tours of Tulsa's secret downtown tunnels
TULSA, Okla. — Lyndsey Neal Kuykendall is the curator for the Tulsa Foundation for Architecture (TFA) said touring Tulsa's ...