Freiburg, Baden-Württemberg, Germany
Dublin, Dublin, Ireland
Friedrichshafen, Baden-Württemberg, Germany
Münster, North Rhine-Westphalia, Germany
Amsterdam, North Holland, Netherlands
Homburg, Saarland, Germany
Bonn, North Rhine-Westphalia, Germany
Berlin, Berlin, Germany
Trier, Rhineland-Palatinate, Germany
Köln, Nordrhein-Westfalen, Germany
Freiburg im Breisgau, Baden-Württemberg, Germany