Denmark and Germany could be connected by a underwater tunnel passing theFehmarn Belt, the 18-kilometer strait, at a cost of over 5 billion euros.
If built, it will be world's longest underwater tunnel that uses the so-called immersed tube method.Full article on spiegel.de
If built, it will be world's longest underwater tunnel that uses the so-called immersed tube method.Full article on spiegel.de
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