Trier, Rhineland-Palatinate, Germany
Novi Sad, Vojvodina, Serbia
Munich, Bavaria, Germany
Nantes, Pays de la Loire, France
Dallas, TX, USA
Graz, Steiermark, Austria
Köln, Nordrhein-Westfalen, Germany
Freiburg im Breisgau, Baden-Württemberg, Germany
Berkeley, CA, USA
Vienna, Vienna, Austria
