"Gaokao" candidates walk into an exam site of the national college entrance exam at Rongshui High School in Rongshui Miao Autonomous County in Liuzhou, south China's Guangxi Zhuang Autonomous Region, June 7, 2014. The exam, known as the "gaokao", began on Saturday. A total of 9.39 million people have registered for the exam this year to vie for 6.98 million vacancies in universities and colleges. (Xinhua/Long Linzhi)