Bristol, Bristol, United Kingdom
Vancouver, British Columbia, Canada
Stanford, CA, USA
Luleå, Norrbotten County, Sweden
Chișinău, Moldova (Republic of)
Dublin, Dublin, Ireland
Adelaide, South Australia, Australia
Washington, DC, USA
St. Catharines, Ontario, Canada
Madrid, Comunidad de Madrid, Spain
Driebergen-Rijsenburg, Utrecht, Netherlands