Saint Petersburg, Saint Petersburg, Russian Federation
Odessa Oblast, Ukraine
Voronez, Voronezhskaya oblast', Russian Federation
Berlin, Berlin, Germany
Oulu, Northern Ostrobothnia, Finland
Paris, Île-de-France, France
Warsaw, Masovian Voivodeship, Poland
Saratov, Saratov Oblast, Russian Federation
Barcelona, Barcelona, Spain
Phyladelphia, Phyladelphia, USA
Krasnogorsk, Moskovskaya oblast', Russian Federation
Tambov, Tambov, Russia