Berlin, Berlin, Germany
Heidelberg, Baden-Wuerttemberg, Germany
Hsinchu, Zhudong, Taiwan, Province of China
Stuttgart, Baden-Württemberg, Germany
Newcastle upon Tyne, England, United Kingdom
Porto Alegre, State of Rio Grande do Sul, Brazil
Köln, Nordrhein-Westfalen, Germany
Darmstadt, Hessen, Germany
Mueang Chiang Mai, Chiang Mai, Thailand
Tübingen, Baden-Württemberg, Germany
Oxford, United Kingdom of Great Britain and Northern Ireland
