The grand finale will see the Olympictorchenter thestadium, the last stage in a 70-dayrelay aroundtheUnited Kingdom, and setthe Olympiccauldron aflame, symbolizingthebeginningofthe Games.
The gathering - on thelastday of theOlympic Games - will bring together world leaders, business figures, non-government organisations and development campaigners in an effort to generate renewed momentum behind tackling malnutrition in Africa and other parts of the world.