A georadar survey by the Milan Polytechnic revealed underground passages under the Castello Sforzesco

by Redazione , published on 15/01/2025
Categories: News / Disclaimer
The Milan Polytechnic conducted a technological georadar survey that revealed "numerous underground passages under Milan's Castello Sforzesco, some of which could be related to secret passages of a military nature."

There would be “numerous underground passages under Milan’s Castello Sforzesco, at what used to be the Ghirlanda, some of which could be related to secret passages of a military nature, also described in drawings by Leonardo da Vinci.” Announcing the revelation is the Politecnico di Milano, which conducted an innovative technological investigation as part of a PhD thesis, in collaboration with the Castello Sforzesco and the technical support of Codevintec.

Thanks to the use of advanced technologies such as georadar and laser scanning, the survey allowed the subsoil of Castello Sforzesco and its underground structures to be accurately mapped. These tools have confirmed the existence of underground cavities and walkways just a few decimeters deep. “The goal is to create a digital twin of the Castello Sforzesco, a digital model that not only represents the current appearance of the castle but also allows us to explore the past, recovering historical elements that are no longer visible,” said Franco Guzzetti, professor of Geomatics at the Politecnico di Milano.

In addition to historical documentation, data collected with the integration of augmented reality technologies can lead to the development of immersive experience projects that combine history and innovation. “Georadar has enriched the 3D model with data on known but inaccessible spaces, bringing to light unknown walkways and insights for further studies on secret passages,” added Francesca Biolo, researcher at the ABC Department of the Politecnico.

A georadar survey by the Milan Polytechnic revealed underground passages under the Castello Sforzesco
A georadar survey by the Milan Polytechnic revealed underground passages under the Castello Sforzesco


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