China's Qieyang Shenjie smiles as she finishes third in the women's 20km race walk final at the London 2012 Olympic Games at The Mall August 11, 2012. [Photo/Xinhua]
China's Choeyang Kyi (R) and Russia's Elena Lashmanova compete in the women's 20km race walk final at the London 2012 Olympic Games at The Mall August 11, 2012. [Photo/Agencies]
