Liu Xinyue (center), a well-known psychological counselor in Hebei province, instructs officers of the Armed Police Force's Hebei border defense brigade during a counseling event on a patrol vessel on Aug 7, 2012.[Photo/Xinhua]

China's Liu Xiang kisses the last hurdle in his lane during his men's 110m hurdles round 1 heat at the London 2012 Olympic Games at the Olympic Stadium Aug 7, 2012. Liu crashed out of the heats in the 110 metres hurdles at the London Olympics on Tuesday in an echo of his injury-induced withdrawal from the same stage of the Beijing Games four years ago. [Photo/Agencies]