Bonn, Nordrhein-Westfalen, Germany
Berlin, Berlin, Germany
Bochum, Germany
Hanover, Lower Saxony, Germany
Bochum, North Rhine-Westphalia, Germany
Magdeburg, Saxony-Anhalt, Germany
Wuppertal, North Rhine-Westphalia, Germany
Shiraz, Fars Province, Iran (Islamic Republic of)
Düsseldorf, Nordrhein-Westfalen, Germany