Essen, Nordrhein-Westfalen, Germany
Essen, North Rhine-Westphalia, Germany
Kleve, North Rhine-Westphalia, Germany
Cologne, North Rhine-Westphalia, Germany
Rostov-on-Don, Rostov Oblast, Russian Federation
Düsseldorf, North Rhine-Westphalia, Germany
Köln, Nordrhein-Westfalen, Germany
Schwelm, North Rhine-Westphalia, Germany
Traben-Trarbach, Rheinland-Pfalz, Germany
Berlin, Germany
Rheine, North Rhine-Westphalia, Germany