Saint Petersburg, Saint Petersburg, Russian Federation
El Chaparral, Granada, Spain
Sofia, Sofia, Bulgaria
Warsaw, Mazovia, Poland
Budapest, Budapest, Hungary
Katowice, Silesian Voivodeship, Poland
Tallinn, Harju County, Estonia
Edinburgh, United Kingdom of Great Britain and Northern Ireland
Ottawa, Ontario, Canada
Varna, Varna, Bulgaria
Aalborg, Aalborg Municipality, Denmark
Kharkiv, Ukraine
