IAAF World Athletics Championships: Day 6
(L-R) Dalilah Muhammad of the United States, Perri Shakes-Drayton of Great Britain, Lashinda Demus of the United States and compete Zuzana Hejnova of the Czech Republic in the Women's 400 metres hurdles final during Day Six of the 14th IAAF World Athletics Championships Moscow 2013 at Luzhniki Stadium on August 15, 2013 in Moscow, Russia.
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