SOUTH KOREA IAAF ATHLETICS WORLD CHAMPIONSHIPS DAEGU 2011 Dwight Thomas from Jamaica ( L ) Jason Richardson from the US ( C ) and William Sharman from Britain ( R ) compete during the mens 110 m Hurdles semi final at the 13 th IAAF World Championships in Daegu , Republic of Korea , 29 August 2011 . EPA / KERIM OKTEN < 모바일 애플리케이션 > < 포토 매거진 >< 저작권자 ( c ) 연합뉴스 . 무단 전재 - 재배 포금 지 . >