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Pyrotechnics burn during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Rihanna performs with Chris Martin of Coldplay during the closing ceremonyof the London 2012 Paralympic Games at Olympic Stadiumon Sept. 9, 2012, in London.
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Brazilian dancers perform during the closing ceremony of the London 2012 Paralympic Games at the Olympic Stadium on Sept. 9, 2012, in London.
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Chris Martin, right, and Will Champion of Coldplay perform during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Fireworks light up the sky above the arena during the closing ceremony of the London 2012 Paralympic Games at the Olympic Stadium on Sept. 9, 2012, in London.
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Prince Edward, Earl of Wessex, left, and LOCOG Chairman Lord Sebastian Coe look on during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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A flaming figure of a cyclist enters the arena during the closing ceremony of the London 2012 Paralympic Games on Sept. 9, 2012, in London.
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A member of the Russian team takes a picture during the closing ceremony of the London 2012 Paralympic Games at the Olympic Stadium in east London on Sept. 9, 2012.
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Rihanna performs during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Artists representing Rio 2016 perform during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Jay-Z performs during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Swimmer Eleanor Simmonds,left, and athlete Jonnie Peacock of Great Britain light torches from the flame of the Paralympic cauldron as it is extinguished during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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From left, Rihanna, Jay-Z and Chris Martin and Guy Berryman of Coldplay perform during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Chris Martin of Coldplay performs during the closing ceremony of the London 2012 Paralympic Gamesat Olympic Stadium on Sept. 9, 2012, in London.
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Rihanna performs with Will Champion, Chris Martin, Jonny Buckland and Guy Berryman of Coldplay during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Jay-Z and Rihanna perform during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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London Mayor Boris Johnson, back, and president of the International Paralympic Committee (IPC) Philip Craven, center, applaud as Mayor of Rio de Janeiro Eduardo Paes waves the Paralympic flag during the handover ceremonyof the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Fireworks illuminate the sky above the Olympic Park after the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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President Sir Philip Cravenof the IPC addresses the crowd as
LOCOG Chairman Lord Sebastian Coe looks on during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Paralympians celebrate during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Fireworks light up the stadium during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Members of the Brazil team pose with performers during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Barbadian singer Rihanna performs during the closing ceremony of the London 2012 Paralympic Games at the Olympic Stadium in east London on Sept. 9, 2012.
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From left, Chris Martin, Jonny Buckland and Guy Berryman of Coldplay perform during the closing ceremony of the London 2012 Paralympic Games at Olympic Stadium on Sept. 9, 2012, in London.
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Fireworks light up the sky above the arena during the closing ceremony of the London 2012 Paralympic Games at the Olympic Stadium in east London on Sept. 9, 2012.
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Barbadian singer Rihanna performs during the closing ceremony of the London 2012 Paralympic Games at the Olympic Stadium in east London on Sept. 9, 2012.
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The sun sets over the Olympic Park ahead of the the closing ceremony of the London 2012 Paralympic Gamesat Olympic Stadium on Sept. 9, 2012, in London.