Athens, Attica, Greece
Ansan, Gyeonggi-do, South Korea
Tucheng, New Taipei, Taiwan
Jena, Thuringia, Germany
Colombo, Western Province, Sri Lanka
Chengdu, Sichuan, China
Munich, Bavaria, Germany
Celle, Lower Saxony, Germany
Heraklion, Crete, Greece
Hannover, Niedersachsen, Germany
Maastricht, Limburg, Netherlands
Barcellona, Spain
