Duisburg, North Rhine-Westphalia, Germany
Dormagen, North Rhine-Westphalia, Germany
Villingen-Schwenningen, Baden-Württemberg, Germany
Maastricht, Limburg, Netherlands
Krefeld, Nordrhein-Westfalen, Germany
Quito, Pichincha, Ecuador
Pulheim, North Rhine-Westphalia, Germany
Berlin, Berlin, Germany
München, Bayern, Germany