Wild fans of London 2012

American fans show off their colours during the London 2012 Olympic Games Opening Ceremony at the Olympic Stadium on July 27, 2012 in London, England. (Getty Images)

A US olympic fans one with US's flag painted on his face gestures as he travel in a Central Line underground train about to depart Mile End underground station in London, Friday, Aug. 3, 2012. Severe delays were reported Friday morning on the busy tube line serving some of the Olympics venues on the day that the athletics competition gets under way. (AP Photo/Sang Tan)

United States' fans celebrate the openning of the London 2012 Olympic Games at Trafalgar Square on July 27, 2012 in London, England. (Getty Images)

A British fan shows off his colours during the London 2012 Olympic Games Opening Ceremony at the Olympic Stadium on July 27, 2012 in London, England. (Getty Images)

USA fans cheer during the women's soccer preliminary match against Colombia in the 2012 London Olympic Games at Hampden Park. (US Presswire)

Fans wave flags in the Men's -66 kg Judo on Day 1 of the London 2012 Olympic Games at ExCeL on July 29, 2012 in London, England. (Getty Images)

Japan fans show their support during the Women's Football first round Group F Match of the London 2012 Olympic Games between Japan and Sweden at City of Coventry Stadium on July 28, 2012 in Coventry, England. (Getty Images)

Ethiopia fans enjoy the atmosphere outside the Olympic stadium during the Olympics Opening Day as part of the London 2012 Olympic Games at the Olympic Park on July 27, 2012 in London, England. (Getty Images)

United States fans cheer on their swimmers on Day 4 of the London 2012 Olympic Games at the Aquatics Centre on July 31, 2012 in London, England. (Photo by Clive Rose/Getty Images)

USA fans celebrate versus Croatia at the Olympic Park Basketball Arena during the London Olympic Games on July 28, 2012 in London, England. (Getty Images)

Fans of the United States cheer during their Men's Basketball Game against France on Day 2 of the London 2012 Olympic Games at the Basketball Arena on July 29, 2012 in London, England. (Getty Images)

A Columbian fan during the Women's Football first round Group G match between United States and Colombia on Day 1 of the London 2012 Olympic Games at Hampden Park on July 28, 2012 in Glasgow, Scotland. (Getty Images)

LONDON, ENGLAND - JULY 28: Ellice Shields arrives on day one of the London 2012 Olympic Games at the Olympic Park on July 28, 2012 in London, England. (Photo by Jeff J Mitchell/Getty Images)

Equestrian fans shield themselves from the rain on Day 2 of the London 2012 Olympic Games at Greenwich Park on July 29, 2012 in London, England. (Getty Images)

USA fans cheer during the Women's Football first round Group G match between United States and Colombia on Day 1 of the London 2012 Olympic Games at Hampden Park on July 28, 2012 in Glasgow, Scotland. (Getty Images)

USA fans during the Women's Football first round Group G Match of the London 2012 Olympic Games between United States and France, at Hampden Park on July 25, 2012 in Glasgow, Scotland. (Getty Images)

USA fans smile during the Women's Football first round Group G match between United States and Colombia on Day 1 of the London 2012 Olympic Games at Hampden Park on July 28, 2012 in Glasgow, Scotland. (Getty Images)

A USA fan holds an American flag during the Women's Football first round Group G match between United States and Colombia on Day 1 of the London 2012 Olympic Games at Hampden Park on July 28, 2012 in Glasgow, Scotland. (Getty Images)

A Japanese fan during the Men's Football first round Group D Match of the London 2012 Olympic Games between Spain and Japan at Hampden Park on July 26, 2012 in Glasgow, Scotland. (Getty Images)

A Great Britain fan shows his support during the Women's Handball preliminaries Group A - Match 5 between Montenegro and Great Britain on Day 1 of the London 2012 Olympic Games at the Copper Box on July 28, 2012 in London, England. (Getty Images)

A USA fan holds up a sign during the Women's Football first round Group G match between United States and Colombia on Day 1 of the London 2012 Olympic Games at Hampden Park on July 28, 2012 in Glasgow, Scotland. (Getty Images)

Anna Nolte and Matt Allbee pose with their painted faces on day one of the London 2012 Olympic Games at the Olympic Park on July 28, 2012 in London, England. (Photo by Jeff J Mitchell/Getty Images)

A GB fan looks on before the Women's Football first round Group E Match between Great Britain and Cameroon on Day 1 of the London 2012 Olympic Games at Millennium Stadium on July 28, 2012 in Cardiff, Wales. (Getty Images)

A junior fan cheers for Great Britain as they take on Australia during Women's Basketball on Day 1 of the London 2012 Olympic Games at the Basketball Arena on July 28, 2012 in London, England. (Getty Images)

A general view while fans enjoy the atmosphere on Day 1 of the London 2012 Olympic Games at the Horse Guards Parade on July 28, 2012 in London, England. (Getty Images)

Great Britain fans celebrate the openning of the London 2012 Olympic Games at Hyde Park on July 27, 2012 in London, England. (Getty Images)

A little Great Britain supporter in anticipation of the Opening Ceremony for the London 2012 Olympic Games at Olympic Stadium on July 27, 2012 in London, England. (Getty Images)

A young fan watches on during the Women's Road Race Road Cycling on day two of the London 2012 Olympic Games on July 29, 2012 in London, England (Photo by Streeter Lecka/Getty Images)