Treytorrens (Payerne), Vaud, Switzerland
Rinteln, Lower Saxony, Germany
Tilburg, North Brabant, Netherlands
Hamburg, Lower Saxony, Germany
Burlington, Ontario, Canada
Bielefeld, North Rhine-Westphalia, Germany
Seoul, Seoul, Korea (Republic of)
Nelson, British Columbia, Canada
Jena, Thüringen, Germany
Cologne, North Rhine-Westphalia, Germany
Neuwied, Rheinland-Pfalz, Germany
Hanover, Lower Saxony, Germany