Parents of "gaokao" candidates wait outside an exam site of the national college entrance exam at Donghu Middle School in Wuhan, capital of central China's Hubei 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/Xiao Yijiu)