Prague, Prague, Czech Republic
Istanbul, Istanbul, Turkey
München, Bayern, Germany
Krefeld, North Rhine-Westphalia, Germany
Schwarzach am Main, Bavaria, Germany
Leipzig, Saxony, Germany
Saarbruecken, Saarland, Germany
Konstanz, Baden-Wuerttemberg, Germany
Mainz, Rhineland-Palatinate, Germany
Ilmenau, Thuringia, Germany