Albufeira, Portugal
Zielona Gora, Lubusz, Poland
Istanbul, Turkey
Gothenburg, Västra Götaland County, Sweden
Montréal, Canada
Sofia, Sofia City Province, Bulgaria
Brussels, Brussels, Belgium
Ljubljana, Ljubljana, Slovenia
Lisbon, Lisbon, Portugal
Palma de Mallorca, Spain
Nivelles, Walloon Brabant, Belgium