Fireworks burst over the Olympic Stadium during the opening ceremony of the London 2012 Olympic Games on July 27, 2012 in London. (AFP)

Dancers perform during the "Night Out" scene in the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic stadium in London. (AFP)

British footballer David Beckhamon stires a boat carrying the Olympic flame on Thames river near the Tower Bridge on its way to the Olympic Stadium in London on July 27, 2012, for the opening of the London 2012 Olympic Games. (AFP)

Dancers perform in a scene dramatising the struggle between life and death during the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. (AFP)

Dancers perform in a scene dramatising the struggle between life and death during the opening ceremony of the London 2012 Olympic Games at the Olympic Stadium in London on July 27, 2012. (AFP)

Paraguay's athlete Leryn Franco parades with her country's delegation during the opening ceremony of the London 2012 Olympic Games on July 27, 2012 at the Olympic stadium in London. (AFP)

General view taken on July 27, 2012 shows delegations parading during the opening ceremony of the London 2012 Olympic Games at the Olympic stadium in London. (AFP)

Fireworks go off over the Olympic stadium at the end of the opening ceremony of the London 2012 Olympic Games on July 28, 2012 in London. (AFP)