Halifax, Nova Scotia, Canada
Cologne, North Rhine-Westphalia, Germany
Davao, Davao Del sur, Philippines
Cundinamarca, Bogotá, Colombia
Skåne County, Sweden
Annecy, Rhône-Alpes, France
Tuebingen, Baden-Wuerttemberg, Germany
Netcong, NJ, USA
Mainz, Rheinland-Pfalz, Germany
Warsaw, Poland
würzburg, Bavaria, Germany
Amherst, MA, USA