Freiburg, Baden-Württemberg, Germany
Athens, Attica, Greece
Istanbul, Istanbul, Turkey
Heidelberg, Baden-Wuerttemberg, Germany
Valinhos, Sao Paulo, Brazil
Mainz, Rhineland-Palatinate, Germany
Benalmádena, Andalucía, Spain
Santa Cruz do Sul, Rio Grande do Sul, Brazil
Seixal, Setubal, Portugal
Berlin, Berlin, Germany