Russia's Anastasia Zueva starts in the women's 100m breaststroke heats during the London 2012 Olympic Games at the Aquatics Centre.
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Gold medallist Dana Vollmer of the U.S. takes part in the women's 100m butterfly victory ceremony.
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China's Fu Yuanhui pours water on her head before their women's 100m backstroke semi-final.
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China's Fu Yuanhui waves as she arrives to compete in the women's 100m backstroke semi-finals.
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Allison Schmitt of the U.S. (L) and France's Camille Muffat take part in the women's 400m freestyle final.
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Michael Phelps of the U.S. dives into the water to swim the second leg of the relay during the final men's 4 x 100m freestyle relay.
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The U.S. men's relay swim team (left to right) Nathan Adrian, Ryan Lochte, Cullen Jones and Michael Phelps walk with their silver medals after their second place win in the men's 4x100-meter freestyle relay final.
AP
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Fans wave U.S. flags at the London Aquatics Centre during day 2 of the London 2012 Olympic Games.
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Japan's Ryosuke Irie swims during the men's 100m backstroke semi-finals.
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Australia's Christian Sprenger (L), South Africa's Cameron van der Burgh (C) and Brendan Hansen of the U.S. pose with their gold, silver and bronze medals during the men's 100m breaststroke victory ceremony.
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South Africa's Cameron Van Der Burgh celebrates after setting a world record to win the men's 100m breaststroke final.
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Swimmers start heat 5 of the women's 100m backstroke event.