As a symbol of sporting excellence the Olympic Torch has few equals, but what lies behind the design and operation of its most recent incarnation? AFTER YEARS of dedication, sacrifice and the proverbial blood, sweat and tears that go with it, athletes across the world are gearing up to take part in the 2012 Olympic Games. It's a sporting spectacle without equal and one symbolic of human endeavour of all stripes and colours. But while these sportsmen and women have been diligently pushing themselves to the limits of human capability in intense training sessions, the Olympic Torch, itself an instantly recognisable symbol of the Games, has also been subjected to a grueling series of trials and tests.
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