Leipzig, Saxony, Germany
Saint Petersburg, Saint Petersburg, Russian Federation
Sofia, Sofia-city, Bulgaria
Greifswald, Mecklenburg-Vorpommern, Germany
Mainz, Rhineland-Palatinate, Germany
Kristianstad, Skane, Sweden
Clermont-Ferrand, Auvergne Rhône-Alpes, France
Leuven, Flanders, Belgium
Bonn, North Rhine-Westphalia, Germany
Vilas, NC, USA
Freiburg, Baden-Württemberg, Germany
Bogota, Distrito Capital, Colombia
