Nearly eight years after Denmark and Germany agreed to construct a major undersea road and rail tunnel, the first contracts are about to be signed. David Arminas reports. Construction is due to start later this year on one of Europe’s most ambitious, as well as the world’s longest, road and rail tunnels, the 17.6km Fehmarnbelt Fixed Link between Germany and Denmark. Fehmarnbelt is expected to cost around US$7.5 billion and be five times the length of the Øresund tunnel between the Danish capital Copenhagen