Potsdam, Brandenburg, Germany
Makassar, South Sulawesi, Indonesia
Berlin, Berlin, Germany
Belgrade, City of Belgrade, Serbia
Osnabrück, Niedersachsen, Germany
Abuhail, Dubai, United Arab Emirates
Ingolstadt, Bayern, Germany
Gelsenkirchen, NRW
Bochum, North Rhine-Westphalia, Germany
Saarbruecken, Saarland, Germany
Wageningen-Hoog, Gelderland, Netherlands