Salzburg, Salzburg, Austria
Dublin, Dublin, Ireland (Republic of)
Landau in der Pfalz, Rhineland-Palatinate, Germany
Brno, Jihomoravský kraj, Czech Republic
Berlin, Berlin, Germany
Madrid, Madrid, Spain
Baltimore, MD, USA
Santa Cruz, California, United States
Aberdare, Rhondda Cynon Taff, United Kingdom of Great Britain and Northern Ireland
Ashburn, VA, United States
Luzern, Luzern, Switzerland
Utrecht, Utrecht, Netherlands
