Bern, Bern, Switzerland
PERTH, Western Australia, Australia
Taipei City, Taiwan, Province of China
Olten, Solothurn, Switzerland
Ludwigshafen am Rhein, Rheinland-Pfalz, Germany
Nottingham, England, United Kingdom
Chicago, IL, USA
Seoul, Seoul, Korea (Republic of)
Egypt, Cairo
Florence, Tuscany, Italy
Frankfurt am Main, Hessen, Germany
Madrid, Community of Madrid, Spain
