Olympic Games are emotional events for millions concerned, whether they are participating or not.
But arguably the most poignant moment in the Games' history came away from the track and field at Atlanta 1996, when Muhammad Ali lit the Olympic Flame.
In front of the eyes of millions, perhaps the greatest sportsman - most certainly the greatest sports personality - of the 20th century took his bow, amidst a bittersweet setting.
A genuine great now riddled with Parkinson's disease, when the Torch was passed to Ali, United States President Bill Clinton confessed to crying as the iconic sportsman, renowned for his imperious physique and class, bravely exposed his condition. Clinton wasn't the only one crying.
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