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Mysterious Tunnels Sketched by Da Vinci Confirmed After 500 Years to be Hidden Under a Castle
A long-rumored network of secret tunnels sketched by Leonardo da Vinci has been uncovered beneath the Sforza Castle in Milan, ...
Mysterious tunnels sketched by Leonardo da Vinci in the late 1400s may have been found
Once only indicated through a sketch by Leonardo da Vinci from around 1495, concealed passageways have been discovered ...