It will be called the Fehrmanbelt Tunnel and will connect Puttgarden with Rodbyhavn in Germany and Denmark respectively.
It will be 18 kilometers long and will be the longest and deepest tunnel in the world. In addition to a highway, it will also have a railway for trains.
Today by ferry, the 2 points are joined by a journey that takes 45 minutes. With the implementation of the project, the journey will take 7 minutes by train and 10 minutes by car.
Its cost is estimated at 10 billion euros.
[Source: http://www.greekreporter.com]
