Teachers carry testing papers to exam classrooms of the national college entrance exam at Delong High School in Delong County, northwest China's Ningxi Hui 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/Li Ran)
