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Researchers Find a Secret Map in Leonardo da Vinci’s Sketches. It Reveals Hidden Tunnels Beneath a 15th-Century Castle

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The artist’s meticulous observations and recordings of concealed structures were more than just theories.

Leonardo da Vinci News on Xataka On

Leonardo da Vinci:Researchers Find a Secret Map in Leonardo da Vinci’s Sketches. It Reveals Hidden Tunnels Beneath a 15th-Century Castle

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Leonardo da Vinci News on Xataka On

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