Running for 18km (11 miles), the Fehmarnbelt will be the world's longest pre-fabricated road and rail tunnel.
https://www.bbc.com/news/articles/cy70y2x3xj6o
The rail and road link will slash journey times between much of Scandinavia and continental Europe.
https://www.bbc.com/news/articles/cy70y2x3xj6o
The record-breaking tunnel being built from Denmark to Germany
www.bbc.comThe rail and road link will slash journey times between much of Scandinavia and continental Europe.