Hildesheim, Lower Saxony, Germany
Lörrach, Baden-Württemberg, Germany
Bayreuth, Bayern, Germany
Langenfeld (Rheinland), Nordrhein-Westfalen, Germany
Emilia-Romagna, Italy
Dinslaken, North Rhine-Westphalia, Germany
Gdańsk, pomorskie, Poland
Sörup, Schleswig-Holstein, Germany
Witten, North Rhine-Westphalia, Germany
Saarbrücken, Saarland, Germany
Horben, Baden-Wuerttemberg, Germany
Warsaw, Masovian Voivodeship, Poland
