Mussolini's Iron Tooth Defense, Vallo Alpino | Mysteries of the Abandoned | Science Channel

Vallo Alpino was a system of fortifications built across Italy's northern border in the years preceding World War 2. Today the conical structures stretch menacingly across a picturesque mountain scene, abandoned. #ScienceChannel #MysteriesOfTheAbandoned About Mysteries of the Abandoned: The world's most incredible engineering projects are revisited to uncover why places full of mysteries and untold secrets are now abandoned ruins. Subscribe to Science Channel:    / @sciencechannel   About Science Channel: Learn about outer space, leading scientific exploration, new technology, earth science basics, & more with science videos & news from Science Channel. Find us on social: Facebook:   / sciencechannel   Twitter:   / sciencechannel   Instagram:   / sciencechannel   TikTok:   / sciencechannel