Tallinn, Harju county, Estonia
Gothenburg, Västra Götaland County, Sweden
Medellín, Antioquia, Colombia
Madrid, Community of Madrid, Spain
Durban, KwaZulu-Natal, South Africa
Wroclaw, Lower Silesia, Poland
Cheltenham, Gloucestershire, England
Lund, Skåne County, Sweden
Frankfurt, Hesse, Germany
Stenungsund, Vastra Gotaland, Sweden
Wellington, Wellington, New Zealand