South Korean gymnast Kim Seungil performs on the parallel bars during the Artistic Gymnastic men's qualification at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

Associated Press

Boats pass the grandstand during a lightweight men's rowing four heat in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Saturday, July 28, 2012.

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Olympic rings on a tennis net cast a shadow on a court at the All England Lawn Tennis Club at Wimbledon, in London, at the 2012 Summer Olympics, Saturday, July 28, 2012.

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A man wears a British flag on his hat while in line to get into the Olympic Park during the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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Croatia's Cornelia Molnar keeps her eyes on the ball as she takes a shot against USA's Lily Zhang during a table tennis preliminary round match at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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Chinese gymnast Feng Zhe performs on the rings during the Artistic Gymnastics men's qualification at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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Natalia Sheppard of Great Britain prepares for her match against Corinne Maitrejean of France during the round of 32 at women's fencing at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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Harinelina Rakotondramanana of Madagascar falls after failing to lift in the women's 48-kg weightlifting at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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Rome Milan of Fort Worth, Texas, waves the U.S. flag during the Artistic Gymnastics men's qualification at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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A gymnast performs during a presentation before the start of an Artistic Gymnastics men's qualification round at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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North Korea's Ryang Chun Hwa, who won bronze, stands on the podium as the silver medal is carried towards Japan's Hiromi Miyake for the women's 48-kg weightlifting event at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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In this multiple exposure photo, U.S. gymnast Danell Leyva performs on the floor at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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General view of the Beach Volleyball venue at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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This multiple exposure photo shows Italy's Elisa Di Francisca, left, and South Korea's Nam Hyun-hee competing during a semifinal fencing match at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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A supporter of Great Britain celebrates his team prior to the women's handball preliminary match between Montenegro and Great Britain at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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Italy's Elisa Di Francisca faces South Korea's Nam Hyun-hee during a semifinal fencing match at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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Water sits after it splashed on the Olympic rings at the Water Polo Arena during a training session at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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Gymnast Hamilton Sabot from France performs on the rings, as Great Britain's gymnast Daniel Purvis performs on the floor during the Artistic Gymnastics men's qualification at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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A spectator wears a headband decorated with the flags of Great Britain during the equestrian eventing dressage competition at Greenwich Park at the 2012 Summer Olympics, Saturday, July 28, 2012, in London.

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United States' Ryan Lochte swims on his way to win the men's 400-meter individual medley swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Saturday, July 28, 2012.

Associated Press