Da Vinci's secret tunnels at Milan's Sforza Castle appear to be nothing more than sewers
- Posted on December 20, 2025
- By Le Monde
- 3 Views
Da Vinci's secret tunnels at Milan's Sforza Castle appear to be nothing more than sewers
Researchers from the Politecnico di Milano claim to have discovered mysterious underground passages beneath the medieval fortress that match sketches by the Italian master. But historians specializing in the period sharply dispute this theory.
