SOUTH KOREA IAAF ATHLETICS WORLD CHAMPIONSHIPS DAEGU 2011 Oscar Pistorius of South Africa competes in the men ' s 400 m semi final at the 13 th IAAF World Championships in Daegu , Republic of Korea , 29 August 2011 . Pistorius did not qualify for the final . EPA / RUNGROJ YONGRIT < 모바일 애플리케이션 > < 포토 매거진 >< 저작권자 ( c ) 연합뉴스 . 무단 전재 - 재배 포금 지 . >