Heidelberg, Baden-Württemberg, Germany
Bonn, North Rhine-Westphalia, Germany
Zurich, Canton of Zurich, Switzerland
Berlin, Berlin, Germany
Braunschweig, Niedersachsen, Germany
Wiesbaden, Hesse, Germany
Saint Petersburg, FL, United States
Warsaw, Masovian Voivodeship, Poland
Trier, Rhineland-Palatinate, Germany
Bonn, Nordrhein-Westfalen, Germany
