Leuven, Flemish-Brabant, Belgium
Plovdiv, Plovdiv, Bulgaria
Emilia-Romagna, Italy
Smolian, Smolian, Bulgaria
Sofia, Sofia, Bulgaria
Poznań, Greater Poland, Poland
Alkmaar, Noord Holland
Dobrich, Dobrich, Bulgaria
Resistencia, Chaco Province, Argentina
London, London, England
Groningen, Groningen, Netherlands
Letterkenny, Co Donegal, Ireland
