Henley, Great Britain.  Henley Royal Regatta. W4X, Princess Grace Challenge Cup, Princeton Training Center, USA [Berks], and Austrailian Institute of Sport 'A' AUS, [Bucks], power away from the Start, in the Semi-Final. River Thames Henley Reach.  Royal Regatta. River Thames Henley Reach.  Saturday  02/07/2011  [Mandatory Credit  Intersport Images] . HRR