South Korea 's archery team break first world records of 2012 Games . London Olympics by the numbers . I ##M Dong Hyun beat his own 72-arrow mark , while team record also tumbles . The year - old is competing at the Games despite being legally blind . Dong Hyun won gold medals at both the Beijing and London Olympic Games .
South Korea 's archery team break first world records of 2012 Games . I ##M Dong Hyun beat his own 72-arrow mark , while team record also tumbles . The year - old is competing at the Games despite being legally blind . Dong Hyun won gold medals at both the Beijing and London Olympic Games .