Seoul, Seoul, Korea, Republic of
Tallinn, Harju maakond, Estonia
Turku, Finland Proper, Finland
Saint Petersburg, Saint Petersburg, Russia
Lappeenranta, South Karelia, Finland
Helsinki, Uusimaa, Finland
Riga, Riga, Latvia
Cologne, North Rhine-Westphalia, Germany
Traben-Trarbach, Rhineland-Palatinate, Germany
