Veliko Tarnovo, Veliko Tarnovo, Bulgaria
Lisboa, Lisboa, Portugal
Plovdiv, Plovdiv, Bulgaria
Province of Treviso, Italy
Biberach, Baden-Württemberg, Germany
Rožnov pod Radhoštěm, Zlin Region, Czech Republic
Missoula, MT, USA
Slovenia
Leipzig, Saxony, Germany
Naberezhnye Chelny, Tatarstan, Russian Federation
Haskovo, Haskovo Province, Bulgaria
Montijo, Setubal, Portugal