Oakland, California, US
2011
Bowling Green, Missouri, US
2010
Monterey, California, US
2010
U.S. Air Force Academy, Colorado, US
2011
Melbourne, Florida, US
2010
Helsinki, Uusimaa, FI
2009
Fort Worth, Texas, US
2008
Hackensack, New Jersey, US
2010
San Diego, California, US
2010
Margate, England, GB
2009
Springfield, Missouri, US
2011
Angarsk, Irkutsk Oblast, RU
2011
Montreal, Quebec, CA
2011
Edinburgh, Scotland, GB
2011
Petaluma, California, US
2008
Toronto, Ontario, CA
2011
Columbia, South Carolina, US
2011
Vlaardingen, Zuid-Holland, NL
2010
Vught, Noord-Brabant, NL
2011
Forked River, New Jersey, US
2011
Ringe, Region Syddanmark, DK
2011
Roskilde, Region Zealand, DK
2010
Whitehaven, England, GB
2011
New Zealand, Prince Edward Island, CA
2011
Aberystwyth, Wales, GB
2011
Bristol, England, GB
2010
Chester, England, GB
2011
Belgium, Wisconsin, US
2012