Saint Petersburg, Saint Petersburg, Russia
Rizhao, Shandong, China
Milano, Lombardia, Italy
Shanghai, Shanghai, China
Antwerpen, Flanders, Belgium
Barcelona, Catalonia, Spain
Kaliningrad, Kaliningrad, Russian Federation
Paris, Île-de-France, France
Kos, Dodecanese Islands, Greece
Stuttgart, Germany
Basel, Basel-Town, Switzerland
Sofia, Bulgaria, Bulgaria
