Aveiro, Aveiro, Portugal
Aalen, Baden-Württemberg, Germany
Alcobaca, Leiria, Portugal
Namur, Walloon Region, Belgium
Ruse, Ruse, Bulgaria
Trapani, Sicily, Italy
Olomouc, Olomouc Region, Czech Republic
Liege, Liege, Belgium
Delft, Zuid-Holland, Netherlands
Barcelona, Catalunya, Spain
Rome, Lazio, Italy
