Chinese athletes at IAAF World Athletics Championships

Tan Jian of China competes during the women's discus final at the IAAF World Athletics Championships at the Luzhniki stadium in Moscow, Aug 11, 2013. [Photo/Agencies]

Gu Siyu of China competes in the women's discus throw qualifying round during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow, Aug 10, 2013. [Photo/Agencies]