> That delay would be in order to wait for the construction of an 11-mile-long rail tunnel between Denmark and Copenhagen called the Fehmarn Belt Fixed Link, which would reduce the journey time by train from Copenhagen to Hamburg from five hours to just two.
The author meant to say "11-mile-long rail tunnel between Denmark and Germany" as Denmark and Copenhagen do not need to be connected with a tunnel since they are already quite closely connected.
The author meant to say "11-mile-long rail tunnel between Denmark and Germany" as Denmark and Copenhagen do not need to be connected with a tunnel since they are already quite closely connected.