Riga, Riga, Latvia
Kaliningrad, Kaliningrad, Russia
St Petersburg, St Petersburg, Russian Federation
Novokuznetsk, Kemerovo, Russian Federation
Cochrane, Alberta, Canada
Tallinn, Harju maakond, Estonia
Basel, Basel-Stadt, Switzerland
Canton of Lucerne, Switzerland
Kaunas, Kaunas County, Lithuania
Vienna, Vienna, Austria
Saint Petersburg, Saint Petersburg, Russian Federation
Vilnius, Vilnius, Lithuania
