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Leonardo's secret tunnels at Sforza Castle unveiled
They have long been the subject of legends and speculation. Now, it is confirmed that they truly exist. A dozen secret tunnels have been discovered beneath the Sforza Castle in Milan. Scientists ...
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Leonardo's secret map reveals hidden tunnels in Milan's castle
They have long been the subject of legends and speculation. Now it is known that they truly exist. Under the Sforza Castle in ...