Runners take part in the Color Run in Beijing, capital of China, Aug 10, 2013. Color run is an untimed event with no winners or prizes, and runners are showered with colored powder at stations along the race. [Photo by Wei Xiaohao/Asianewsphoto]

Yang Yancheng of China competes in the men's pole vault qualifying round during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 10, 2013. [Photo/Agencies]