Ponta Delgada, Portugal
Freiburg im Breisgau, Baden-Wuerttemberg, Germany
Prague, Hlavní město Praha, Czech Republic
Esch-sur-Alzette, Canton of Esch-sur-Alzette, Luxembourg
Taipei, Taiwan, Province of China
Budapest, Budapest, Hungary
Riga, Riga, Latvia
Czech Republic
Isla de Lanzarote, Canary Islands, Spain
Shenzhen, Guangdong, China
Sint-Genesius-Rode, Flanders, Belgium
Tainan, Taiwan
