Fans take pictures in the Olympic Stadium right before the start of the Closing Ceremony at the 2012 Summer Olympics, on August 12, 2012. #

Fireworks explode over the Olympic Stadium during the Closing Ceremony, on August 12, 2012. #

Timothy Spall plays the role of Winston Churchill during a theatrical piece at the Olympic Stadium, on August 12, 2012. #

British band Madness during the Closing Ceremony at the 2012 Summer Olympics,on August 12, 2012. #

The Olympic flame burns for a few minutes more, before being extinguished during the Closing Ceremony of the London 2012 Olympic Games, on August 12, 2012. #

A overhead view of Olympic Stadium, during the Closing Ceremony on August 12, 2012. #

Artists perform during the Closing Ceremony of the 2012 London Olympic Games, on August 12, 2012. #

The Pet Shop Boys perform "West End Girls" in Olympic Stadium, on August 12, 2012. #

Japanese team members parade past as all of the Olympic athletes enter the stadium, on August 12, 2012. #

Athletes celebrate during the Closing Ceremony of the London 2012 Olympic Games, on August 12, 2012. #

Illuminated Olympic rings float near the Houses of Parliament as part of the festivities for the London 2012 Closing Ceremony, on August 12, 2012. #

A giant sculpture of the face of John Lennon is assembled from pieces onstage during a performance of Lennon's "Imagine" in Olympic Stadium, on August 12, 2012. #

Singer George Michael performs "Freedom 90" in the Closing Ceremony in the Olympic Stadium, on August 12, 2012. #

Crowd-control volunteers wear hats with functional light bulbs in London's Olympic stadium, on August 12, 2012. #

British model Kate Moss poses onstage during the Closing Ceremony, on August 12, 2012, in London. #

Athletes react as confetti rains down on them during the Closing Ceremony, on August 13, 2012. #

DJ Fatboy Slim performs atop a psychedelic bus transformed into a massive translucent octopus in the Olympic Stadium, on August 12, 2012. #

British singer Jessie J performs "Price Tag" during the Closing Ceremony, on August 12, 2012, in London. #

Mexican athletes parade into Olympic stadium in London, on August 12, 2012. #

Singer Annie Lennox performs atop a dark skeletal ship during the closing ceremony of the London 2012 Olympic Games, on August 12, 2012. #

British band The Spice Girls make a reunion performance in London's Olympic Stadium, on August 12, 2012. #

"Posh Spice" Victoria Beckham of The Spice Girls performs on top of a London taxi during the Closing Ceremony, on August 12, 2012. #

Marina Alabau Neira of Spain, gold medalist in the women's RS:X Sailing, holds up her medal during the Closing Ceremony, on August 12, 2012, in London. #

Muse's singer Matt Bellamy performs in the Closing Ceremony of the 2012 London Olympic Games, on August 12, 2012. #

Pyrotechnics illuminate the sky above the Olympic Stadium, on August 12, 2012, in London. #

Brian May of Queen performs with Jessie J during the Closing Ceremony, on August 12, 2012 in London. #

The Olympic flag is lowered and carried out of the stadium during the Closing Ceremony in London on August 12, 2012. #

A Brazilian artist performs in a segment previewing Rio 2016 at the Olympic stadium in London on August 12, 2012. #

A performer arrives onstage in a tribute to Brazil, next site of the summer games, during the closing ceremony of the London 2012 Olympic Games, on August 12, 2012. #

Brazilian artists perform in the closing ceremony of the 2012 London Olympic Games, on August 12, 2012. #

Brazil's former football star Pele appears in a tribute to Brazil during the Closing Ceremony in London, on August 12, 2012. #

Brazilian artists perform during the Rio de Janeiro handover in Olympic Stadium, on August 12, 2012 in London, England. #

The petals of the Olympic Cauldron are lowered during the Closing Ceremony, on August 12, 2012, in London. #

British prima ballerina Darcey Bussell (left) approaches the Olympic flame just before it is extinguished in Olympic Stadium, on August 12, 2012. #

A phoenix rises above the just-extinguished Olympic flame in Olympic stadium, on August 12, 2012. #

Fireworks explode over the Olympic Stadium during the closing ceremony, on August 12, 2012. #

Fireworks erupt above London's Olympic Stadium, on August 12, 2012. #

The Who guitarist Pete Townshend, left, and singer Roger Daltrey perform in the Closing Ceremony, on August 12, 2012. #

Portugal's Nuno Delgado, right, dances with performers in London's Olympic Stadium, on August 13, 2012. #

Damon Albarn from the British band Blur performs as part of the London 2012 Olympic Games closing celebrations at Hyde Park, London, on August 12, 2012. #

Spectators leave the stadium after the Closing Ceremony, on August 13, 2012, in London. #

Two athletes hug at the closing ceremony of the 2012 London Olympic Games, on August 12, 2012. #