(LtoR) Poland's Justyna Swiety, US Joanna Atkins, Jamaica's Patricia Hall and Netherlands' Lisanne De Witte compete by fallen Czech Republic's Denisa Rosolova (back) in the Women 400 m Semi-Final heat 1 at the IAAF World Indoor Athletics Championships in the Ergo Arena in the Polish coastal town of Sopot, on March 7, 2014 AFP PHOTO / JOHANNES EISELE