Beneath the rugged limestone backbone of the Alps, a decades-old ambition has just crossed a pivotal threshold. On 18 September 2025, Italian and Austrian engineers met in the middle of the Brenner ...

The Fehmarn Belt Tunnel, a €7 billion infrastructure project, is set to become the world’s longest prefabricated road and rail tunnel. Stretching 18 kilometers beneath the Baltic Sea, it will connect ...