Düren?
Düren?
Cologne?
Düsseldorf Airport?
None of the aboveKöln-Messe?
Wrong countryMönchengladbach?
Closer!Leuven?
Mechelen.
Gent-Sint-Pieters?
Vilvoorde?
All wrongAntwerpen-Berchem?
It gets cleaned during the day at the station in the picture.Schaerbeek?
Starting to.run out of Belgian stations that the European sleeper passes thru that have that many platforms
Correct! Your turnDenderleeuw?
Not Kraków.Kraków Main Station
Nope.Warsaw main station?
Not Opole.Opole Główny
Kostrzyn is correct.Kostrzyn - the angle between the two sets of tracks, HL and LL, is the clue.