(From L to R )China's Mo Youxue, Xie Zhenye, Su Bingtian and Zhang Peimeng pose after setting a new Asian record at the heats of the men's 4x400m relay at the 2015 IAAF World Championships at the "Bird's Nest" National Stadium in Beijing, capital of China, Aug. 29, 2015. (Xinhua/Li Gang)
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