Reykjavík, Iceland
37 sites
Hobart, Tasmania
35 sites
Oxford, UK
24 sites
Deventer, Netherlands
22 sites
Arnhem, The Netherlands
21 sites
Mercersburg, PA, USA
18 sites
Biel, Switzerland
12 sites
Chelmsford, UK
Cambridgeshire, UK
11 sites
Leicester, UK
London
Droitwich, Worcestershire, UK
10 sites
