Erlangen, Bavaria, Germany
Sagamihara, Kanagawa, Japan
Puebla, Puebla, Mexico
Wolfenbuettel, Lower Saxony, Germany
Naucalpan de Juárez, Estado de México, Mexico
Braunschweig, Niedersachsen, Germany
friedrichsdorf, hessen, Germany
Budapest, Budapest, Hungary
Dunkerque, france