Milano, Lombardia, Italy
Vilnius, Vilnius County, Lithuania
Varna, Bulgaria
Primorsko, Burgas, Bulgaria
Amsterdam, Noord-Holland, Netherlands
Rotterdam, Zuid-Holland, Netherlands
Varna, Varna, Bulgaria
Sofia, Sofia City Province, Bulgaria
Yekaterinburg, Sverdlovsk Oblast, Russian Federation
Bratislava, Bratislava Region, Slovakia
Odessa, Odessa Oblast, Ukraine
