düsseldorf, North Rhine-Westphalia, Germany
Leipzig, Sachsen, Germany
Kleve, North Rhine-Westphalia, Germany
Cologne, North Rhine-Westphalia, Germany
Goch, North Rhine-Westphalia, Germany
Hückeswagen, North Rhine-Westphalia, Germany
Xinzhuang, New Taipei, Taiwan
Tangerang, Banten (Java), Indonesia
Essen, North Rhine-Westphalia, Germany
Madrid, Madrid, Spain
Berlin, Berlin, Germany