Hannover, Niedersachsen, Germany
Saarlouis, Saarland, Germany
Braunschweig, Niedersachsen, Germany
Saarbruecken, Saarland, Germany
Sao Paulo, Sao Paulo, Brazil
Bonn, North Rhine-Westphalia, Germany
Mandelbachtal, Saarland, Germany
Taichung, Taichung, Taiwan, Republic Of China
Hannover, Lower Saxony, Germany
Dresden, Saxony, Germany
Beijing, Beijing, China
