An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to ...
Archaeologists Blown Away After Finding Secret Tunnels That Da Vinci Had Drawn Over 500 Years Ago Researchers from the ...
Using ground-penetrating radar and laser scanners, researchers identified subterranean structures just a few feet below the ...
Centuries-old secret passageways detailed in Leonardo da Vinci's sketches were just found under Milan's Sforza Castle.