Prague, Prague, Czechia
Alfter, Nordrhein-Westfalen, Germany
Warsaw, Masovian Voivodeship, Poland
Cologne, North Rhine-Westphalia, Germany
Mannheim, Baden-Württemberg, Germany
Oldenburg, Niedersachsen, Germany
Konstanz, Baden-Wuerttemberg, Germany
Oldenburg, Lower Saxony, Germany
Rostock, Mecklenburg-Vorpommern, Germany
Kassel, Hessen, Germany
Leipzig, Saxony, Germany
