Marseille, Provence-Alpes-Côte d'Azur, France
Tampere, Finland
Ludwigsburg, Baden-Württemberg, Germany
Kharkiv Oblast, Ukraine
Tallinn, Harju County, Estonia
Dnipro, Dnipropetrovsk Oblast, Ukraine
Biel/Bienne, Canton of Bern, Switzerland
Mannheim, Baden-Württemberg, Germany
Kyiv, Kyiv Province, Ukraine
Bern, Bern, Switzerland
Barcelona, Catalonia, Spain
Kharkiv, Kharkiv Oblast, Ukraine