Hamburg, Hamburg, Germany
Muenster, North Rhine-Westphalia, Germany
Saarbruecken, Saarland, Germany
Leipzig, Saxony, Germany
Hagen, North Rhine-Westphalia, Germany
Marseille
Giessen, Hesse, Germany
Saarlouis, Saarland, Germany
Ankara, Ankara, Turkey
Kirf, Rhineland-Palatinate, Germany
Siedlce, Masovian Voivodeship, Poland
Amsterdam, Noord-Holland, Netherlands