Olympics 2012 swimming: Michael Phelps on London glory
Olympic great Michael Phelps describes finishing his career at the London Games in front of his family as "the best feeling in the world".
The 18-time Olympic champion says "each Olympics has got better" as he compliments the atmosphere, the village and the food at London 2012.
The 27-year-old ends his career with a total of 22 Olympic medals and 44 golds at World and Olympic level.
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