Bitburg, Rhineland-Palatinate, Germany
Kecskemét, Hungary
Palermo, Sicily, Italy
London, London, United Kingdom
Thessaloniki, Central Macedonia, Greece
Copenhagen, Capital Region of Denmark, Denmark
Svenshögen, Vastra Gotaland, Sweden
Valencia, Valencian Community, Spain
Uppsala, Uppsala, Sweden
Amsterdam, North Holland, Netherlands
Nagymaros, Pest, Hungary
Moschato, Greece
