Bonn, North Rhine-Westphalia, Germany
Vancouver, British Columbia, Canada
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Leipzig, Saxony, Germany
Toronto, Ontario, Canada
Marburg, Hessen, Germany
Lappeenranta, South Karelia, Finland
Vilnius, Vilniaus apskritis, Lithuania
Berlin, Berlin, Germany
Geneva, Geneva, Switzerland
Melnik, Central Bohemian Region, Czech Republic
Witten, North Rhine-Westphalia, Germany
