LONDON - AUG 30 : St John Ambulance aiders, bicycles allow to move more quickly through crowds with medical equipment, are ready to help patients at Notthing Hill Carnival on Aug 30, 2010, London, UK
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LONDON - AUG 30 : St John Ambulance aiders, bicycles allow to move more quickly through crowds with medical equipment, are ready to help patients at Notthing Hill Carnival on Aug 30, 2010, London, UK