Stockholm, Stockholm County, Sweden
Bochum, North Rhine-Westphalia, Germany
Skåne län, Sweden
Bled, Radovljica, Slovenia
Tallinn, Estonia
Essen, North Rhine-Westphalia, Germany
Voerde (Niederrhein), North Rhine-Westphalia, Germany
Marburg, Hesse, Germany
Leipzig, Saxony, Germany
Dinslaken, North Rhine-Westphalia, Germany
Mainz, Rheinland-Pfalz, Germany