Barcelona, Catalonia, Spain
Perl, Saarland, Germany
Utrecht, Utrecht, Netherlands
Wrocław, Lower Silesian Voivodeship, Poland
Freiburg, Baden-Württemberg, Germany
Düsseldorf, Nordrhein-Westfalen, Germany
Dresden, Sachsen, Germany
Bengaluru, Karnataka, India
Bremen, Bremen, Germany
Dresden, Saxony, Germany