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.”
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.
Hosted on MSN11m
London's secret tunnels to open as new tourist attraction with the UK's deepest bar
A sprawling network of secret underground tunnels is being transformed into a major new London tourist attraction. Hidden 40m below the streets of the capital, the Kingsway Exchange Tunnels were ...
Owner of London’s forgotten underground ex-WWII base that inspired James Bond lair reveals why he’s transforming it
THESE mile-long WWII tunnels hiding underneath London are set to become a huge tourist attraction – and the owner has ...
CBS News11d
Secret tunnel found on U.S.-Mexico border to be sealed off
A secret tunnel discovered last week on the U.S.-Mexico border will be sealed by Mexican authorities, an army official in Ciudad Juarez said Saturday. The tunnel, discovered on Jan. 10 ...
AFP on MSN6h
London's tunnels echo of past espionage
LONDON: Once home to British spies and a secret long-distance telephone exchange, a little-known network of underground ...
London's top secret WW2 tunnels could be turned into mega James Bond tourist attraction
A labyrinth of tunnels beneath the heart of London is destined for a new lease of life as a tourist attraction with up to ...
Daily Mail11d
Mexico and United States to seal off recently-discovered secret tunnel to Texas used by human traffickers
A secret tunnel underneath the United States-Mexico border that was discovered last week will be sealed off by Mexican and American authorities as Donald Trump, a longtime immigration hard-liner ...
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 ...