
Students sign on a banner which encourages them to perform well in the upcoming national college entrance exams at the No.3 High School in Cangzhou, north China's Hebei Province, May 28, 2015. (Xinhua/Zhu Xudong)

Students sign on a banner which encourages them to perform well in the upcoming national college entrance exams at the No.3 High School in Cangzhou, north China's Hebei Province, May 28, 2015. (Xinhua/Zhu Xudong)