Sofia, Sofia City Province, Bulgaria
Halle (Saale), Saxony-Anhalt, Germany
Playa del Carmen, Quintana Roo, Mexico
Cairo, Cairo Governorate, Egypt
Móstoles, Comunidad de Madrid, Spain
Pyatigorsk, Stavropol Region, Russia
Sankt-Peterburg, St Petersburg, Russian Federation
Minsk, Minsk Region, Belarus
Sevastopol, Russian Federation
Ukraine
Warsaw, Masovian Voivodeship, Poland
Moscow, Moscow, Russian Federation