Mainz, Rhineland-Palatinate, Germany
Düsseldorf, North Rhine-Westphalia, Germany
Barcelona, Spain
County Dublin, Ireland
Auckland, Auckland, New Zealand
Kaiserslautern, Rhineland-Palatinate, Germany
Stuttgart, Baden-Wuerttemberg, Germany
Saarbruecken, Saarland, Germany
Berlin, Berlin, Germany
Halle (Saale), Saxony Anhalt, Germany
Freiburg im Breisgau, Baden-Wuerttemberg, Germany