This passageway is immortalized in Leonardo’s drawings, and has long been the subject of legends and considerable speculation ...

Sketches in Leonardo da Vinci's Codex Forster I appear to show tunnels leading from the castle. Ground-penetrating radar ...

An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to exist.

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 ...

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 ...

He was himself admired as a player of the viola da braccio (an ancestor of the ... the spacious “room of the boards” in the Sforza castle was Leonardo’s largest surviving courtly decoration.