Essen, North Rhine-Westphalia, Germany
Mainz, Rhineland-Palatinate, Germany
Bergisch Gladbach, North Rhine-Westphalia, Germany
Halle (Saale), Sachsen-Anhalt, Germany
Wuppertal, North Rhine-Westphalia, Germany
Düsseldorf, North Rhine-Westphalia, Germany
Düsseldorf, Nordrhein-Westfalen, Germany
Düsseldorf, NRW, Germany
Hays, KS, USA
Essen, Nordrhein-Westfalen, Germany
Cologne, North Rhine-Westphalia, Germany
