Mainz, Rhineland-Palatinate, Germany
Bonn, Nordrhein-Westfalen, Germany
Wieselburg-Land, Lower Austria, Austria
Leipzig, Saxony, Germany
Blumenau, Santa Catarina, Brazil
Raeren, Belgium
Valdivia, Región de los Ríos, Chile
Rostock, Mecklenburg-Vorpommern, Germany
Krefeld, North Rhine-Westphalia, Germany
Quito, Pichincha, Ecuador
Corrientes, Corrientes, Argentina