"Gaokao" candidates enter an exam site of the national college entrance exam at Gu'an No. 1 Middle School in Gu'an, north China's Hebei Province, 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/Wang Xiao)
