Now, scientists have uncovered a hidden feature underneath a medieval castle in Milan, Italy, that researchers once could only speculate about based on a sketch of Leonardo’s from around 1495 ...

During this time, he also documented secret passages built for military purposes under the castle’s ghirlanda (outer wall). “This passageway is immortalized in Leonardo’s drawings and has ...

A GROUNDBREAKING discovery has unearthed mysterious tunnels which may have been sketched by Leonardo da Vinci over 500 years ago. The Italian genius, who was a revolutionary mathematician but also ...

A mysterious network of tunnels, hidden underneath a medieval castle ... In Da Vinci's sketch, the main body of the castle is clearly recognisable, along with multiple passageways.

PETER GINN: Castles dominated the landscape of the medieval age and Britain have some ... we can try the steps in the drawing first. TOM PINFOLD: I mean this is a fantastic way to actually make ...

The discovery, which the Politecnico di Milano announced in January, came about through a series of surveys that aimed to digitise the 15th century Sforza Castle's underground structures through ...