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 ...
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 ...
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 ...
AOL12d
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 ...
Da Vinci was right: Secret tunnels found in Italian castle
Italy's Sforza Castle includes a underground passage that linked the Duke of Milan to his wife’s tomb.
Popular Mechanics2d
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 ... bringing to light unknown walkways and ideas for further studies on secret passages,” Francesca Biolo, researcher at Polytechnic ...
Smithsonian Magazine on MSN7d
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 ...