Cluj-Napoca, Cluj, Romania
Veliko Tarnovo, Tarnovo Province, Bulgaria
Vienna, Vienna, Austria
Szczecin, West Pomerania, Poland
Sofia, Sofia-city, Bulgaria
Bulgaria
Chiavenna, Sondrio, Italy
Veliko Tarnovo, Veliko Tarnovo, Bulgaria
Frederiksberg, Frederiksberg Municipality, Denmark
London, London, England
Varna, Varna, Bulgaria
Vratsa, Vraca, Bulgaria
