An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to exist. Ground-penetrating radar and laser scanning revealed that the ...
After obtaining all necessary authorizations, the small group of explorers were able to uncover the tunnel entrance, buried under a layer of barbed wire. There, beneath their feet, lay a 122-metre ...
Downtown Oklahoma City was headed underground in 1973. The million dollar network of tunnels that would link more than a dozen buildings and connect with existing tunnels would be quite the ...
A tunnel network with mysterious origins that locals refuse to speak about is nestled in a European city. The Fishbones is an underground tunnel network which runs under the Croix-Rousse hill in ...
A major road tunnel between France and Italy is set to reopen this summer after ten years of work. The Tende tunnel, situated in the mountainous north of the Alpes-Maritimes department, has been ...
An underground tunnel network long rumored thanks to drawings by Leonardo da Vinci under Milan’s Sforza Castle are proven to exist. Ground-penetrating radar and laser scanning revealed that the ...