With growing concern over the environmental impact of flying, sleeper train service, long considered old-fashioned and nostalgic, is picking up steam.

"From the Orient Express to the Trans-Europe Express, few methods of travel have offered as much romance as a European night train. Unfortunately, these overnight train routes have long been in decline, particularly in Western Europe, due mainly to the growing popularity of budget airlines. In 2016, the German rail operator Deutsche Bahn ended all of its night routes, selling off the entirety of its sleeping wagons, while in France, the last Paris-to-Nice sleeping train service was discontinued in 2017.

As a result, fans of overnight rail travel have been fighting to save the service...

With growing concern over the environmental impact of flying, sleeper train service, long considered old-fashioned and nostalgic, is picking up steam.

"From the Orient Express to the Trans-Europe Express, few methods of travel have offered as much romance as a European night train. Unfortunately, these overnight train routes have long been in decline, particularly in Western Europe, due mainly to the growing popularity of budget airlines. In 2016, the German rail operator Deutsche Bahn ended all of its night routes, selling off the entirety of its sleeping wagons, while in France, the last Paris-to-Nice sleeping train service was discontinued in 2017.

As a result, fans of overnight rail travel have been fighting to save the service...