Teachers hang banners to cheer for "gaokao" candidates outside an exam site of the national college enterance exam at Lanzhou No. 1 Middle School in Lanzhou, capital of northwest China's Gansu 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/Nie Jianjiang)