A competitor rides in the equestrian arena during the Greenwich Park Eventing international event, at Greenwich Park, London, Monday, July 4, 2011. Greenwich Park will host the London 2012 Olympic ... more 
A competitor rides in the equestrian arena during the Greenwich Park Eventing international event, at Greenwich Park, London, Monday, July 4, 2011. Greenwich Park will host the London 2012 Olympic equestrian events next year. (AP Photo/Tom Hevezi) less 
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Associated Press | Photo By Tom Hevezi
Mon, Jul 4, 2011 9:07 AM EDT