Competitors take part in the Peter Pan Cup open water swim in the Serpentine Lake at Hyde Park in London, December 25, 2014. Over one hundred swimmers took part in the annual Christmas Day event, ... more 
Competitors take part in the Peter Pan Cup open water swim in the Serpentine Lake at Hyde Park in London, December 25, 2014. Over one hundred swimmers took part in the annual Christmas Day event, swimming in water temperatures of 3-5 degrees celsius. REUTERS/Toby Melville (BRITAIN - Tags: SOCIETY ENVIRONMENT SPORT SWIMMING) less 
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Reuters | Photo By TOBY MELVILLE / REUTERS
Thu, Dec 25, 2014 7:03 AM EST