How to Take a Train Across Water

To go from Lübeck, Germany to Copenhagen, we took a train that had to cross water. Being naïve, we thought that either there be a bridge, or passengers would disembark the train and get on a ferry. Little did we know the entire train would just roll onto the ferry. The Europeans onboard gave us a look that read, "Vat? How elz do you get a train over vater if you don't put it on ze boat?"