Region
Charlotte (NC)
3
Melbourne
3
Kioto
2
Oxford
2
Aix-en-Provence
1
Almaty
1
Amherst (Mass.)
1
Amsterdam
1
Aspen (Colo.)
1
Beja
1
Bologna <2010>
1
Brisbane
1
Bristol
1
Budapest
1
Buffalo <NY, 1989>
1
Burgos
1
Burgos (2008)
1
Cambridge (Mass.)
1
Charlotte, NC
1
Cheju-do
1
Cheju-do <2004>
1
College Park (Md.)
1
College Park (Md., 2006)
1
Delhi
1
Denver (Colo.)
1
Dunedin (New Zealand)
1
Edinburgh <2010>
1
Erfurt
1
Erfurt <2008>
1
Guimarães
1
Hamburg
1
Hefei
1
Hobart <Tasmanien, 2006>
1
Jerewan
1
La Manga del Mar Menor
1
Lancaster (Lancashire)
1
Limerick (Shannon)
1
London
1
Lugano
1
Lunteren
1
Lyon
1
Madrid
1
Marseille <1991>
1
Montevideo
1
Montevideo (2004)
1
Neapel
1
New Orleans (La.)
1
Orlando (Fla.)
1
Ottawa <2010>
1
Ottenstein (Kamp)
1
more ...