Curitiba, Parana, Brazil
Lyon, Auvergne Rhône-Alpes, France
Saint Petersburg, Saint Petersburg, Russian Federation
Pilsen, Plzeň Region, Czech Republic
Helsinki, Uusimaa, Finland
Lozanne, Rhône-Alpes, France
Lappeenranta, Finland
Grenoble, Auvergne-Rhône-Alpes, France