Den Haag, Zuid-Holland, Netherlands
Varna, Varna, Bulgaria
Sofia, Sofia, Bulgaria
Plovdiv, Plovdiv, Bulgaria
Louisville, KY, United States
Ribeira Grande, Açores, Portugal
Christchurch, Canterbury, New Zealand
Crest Hill, IL, United States
Chudleigh, England, United Kingdom of Great Britain and Northern Ireland
Kazanlak, Stara Zagora, Bulgaria
Fiskars, Finland
