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Fireworks explode during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

The Olympic Flame is being extinguished during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

Fireworks are seen through a fish eye lens during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium, August 12, 2012.

Fireworks explode over the Olympic Stadium during the closing ceremony of the London 2012 Olympic Games August 12, 2012.

Performers take part in the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

Performers are seen during the Rio 2016 segment of the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

A flaming phoenix flies above the Olympic flame during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

Rio de Janeiro Mayor Eduardo Paes waves the Olympic flag after receiving it from IOC President Jacques Rogge at the closing ceremony of the London 2012 Olympic Games, August 12, 2012.

A member of the 'Kaiser Chiefs' performs in the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

The Spice Girls perform during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium, August 12, 2012.

The group 'Madness' performs in the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

Britain's Prince Harry (L) and Dutchess of Cambridge Kate Middleton (R) applaud as they view the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

Rio de Janeiro Mayor Eduardo Paes (L) waves the Olympic Flag with IOC President Jacque Rogge (C) and London Mayor Boris Johnson (R) during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium, August 12, 2012.

Peformers watch the end of the closing ceremonies of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012.

Performers say goodbye to their escort after the end of closing ceremony of the London 2012 Olympic Games at the Olympic stadium August 12, 2012.

Performers pose after the end of closing ceremony of the London 2012 Olympic Games at the Olympic stadium August 12, 2012.