Organising London 2012 was "a mathematical challenge" - ÃÛÑ¿´«Ã½ Sounds

Organising London 2012 was "a mathematical challenge" - ÃÛÑ¿´«Ã½ Sounds

Organising London 2012 was "a mathematical challenge"

Helen Daltry from Cranham devised the timetable for the London Olympic Games.

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