Once only indicated through a sketch by Leonardo da Vinci from around 1495, concealed passageways have been discovered ...
A long-rumored network of secret tunnels sketched by Leonardo da Vinci has been uncovered beneath the Sforza Castle in Milan, ...
The underground passageways uncovered include a previously unknown tunnel and structures suggesting real-world influence from Da Vinci’s architectural sketches. Researchers have uncovered hidden ...
A mysterious network of tunnels, hidden underneath a medieval ... only based on Da Vinci's sketch from around 1495. "Our findings serve as yet another reminder of how deeply embedded history ...