Cologne, North Rhine-Westphalia, Germany
Witzenhausen, Hesse, Germany
Milan, Lombardy, Italy
Nizhny Novgorod, Nizhny Novgorod Oblast, Russian Federation
Lousada, Porto, Portugal
Warsaw, Masovian Voivodeship, Poland
Göttingen, Lower Saxony, Germany
Kassel, Hesse, Germany
Kassel, Hessen, Germany
Ljubljana, Osrednjeslovenska, Slovenia
San Salvador, San Salvador, El Salvador
