Plovdiv, Plovdiv, Bulgaria
Menlo Park, CA, USA
Blacksburg, VA, United States
Melbourne, Victoria, Australia
La Ceiba, Atlantida, Honduras
Wernigerode, Saxony-Anhalt, Germany
Saint Paul, MN, USA
Managua, Managua, Nicaragua
Shiremanstown, PA, USA
Valencia, Valencian Community, Spain
Moaña, Galicia, Spain