Ceredigion, Wales, GB
2007
Burbank, California, US
2009
Manchester, England, GB
2009
Margate, England, GB
2009
Groningen, Groningen, NL
2009
Sheffield, England, GB
2009
Coral Springs, Florida, US
2009
U.S. Air Force Academy, Colorado, US
2009
U.S. Air Force Academy, Colorado, US
2009
Philadelphia, Pennsylvania, US
2008
Merritt Island, Florida, US
2009
Melbourne, Victoria, AU
2007
U.S. Air Force Academy, Colorado, US
2010
South Burlington, Vermont, US
2008
Oswego, New York, US
2009
Germany, Pennsylvania, US
2010
Satsuma, Alabama, US
2010
Bowling Green, Kentucky, US
2010
Whigham, Georgia, US
2010
New York, New York, US
2009
Sydney, New South Wales, AU
2008
Merrillville, Indiana, US
2010
Burlington, Vermont, US
2009
Szigetszentmiklós, Pest County, HU
2010
Abrantes, Santarém District, PT
2008
Evrytania, Thessalia Sterea Ellada, GR
2010
Trieste, Friuli-Venezia Giulia, IT
2008
Newark, California, US
2010
Williamsport, Pennsylvania, US
2010
Valencia, Valencian Community, ES
2010
Roseville, Minnesota, US
2009
Dronfield, England, GB
2010
Las Vegas, Nevada, US
2011
York, Pennsylvania, US
2010
Bologna, Emilia-Romagna, IT
2009
Pueblo, Colorado, US
2011
Berkeley, California, US
2010
Cave Creek, Arizona, US
2011
U.S. Air Force Academy, Colorado, US
2010
Carolina, Carolina, PR
2011
Murrieta, California, US
2010
Veenendaal, Utrecht, NL
2010
Plant City, Florida, US
2010
El Cajon, California, US
2011
São Paulo, State of São Paulo, BR
2011
Valley View, Texas, US
2011
Melbourne, Victoria, AU
2011
Smithfield, North Carolina, US
2012
Taguig, Metro Manila, PH
2012
Easton, Pennsylvania, US
2011
Berkeley, California, US
2012
Cologne, North Rhine-Westphalia, DE
2012
Nottingham, England, GB
2011
Tallahassee, Florida, US
2012
Budapest, Budapest, HU
2013
Pavia, Lombardia, IT
2010
Calgary, Alberta, CA
2011
Portland, Oregon, US
2013
Rochester, New York, US
2011
Pittsburgh, Pennsylvania, US
2013
Dover, New Hampshire, US
2013
Fort Benton, Montana, US
2011
Bury St Edmunds, England, GB
2015