Rijeka, Primorje-Gorski Kotar, Croatia
Mexico City, Distrito Federal, Mexico
Bochum, North Rhine-Westphalia, Germany
Mainz, Rheinlandpfalz, Germany
Mainz, Rhineland-Palatinate, Germany
Lima, Lima Metropolitan Area, Peru
Bremen, Bremen, Germany
Walluf, Hessen, Germany
Suwon, Gyeonggi-do, Korea, Republic of
