Ruse, Ruse, Bulgaria
Sint-Niklaas, Flanders, Belgium
Espoo, Finland
Halifax, Nova Scotia, Canada
New Zealand
London, England, United Kingdom of Great Britain and Northern Ireland
Bucharest, Bucharest, Romania
Kostelec, South Moravian Region, Czechia
Sofia, Sofia City Province, Bulgaria
Boulder, CO, USA
Kavarna, Dobrich Province, Bulgaria
Leipzig, Sachsen, Germany