Xu Huan recites English words after dinner at school in Yinchuan, capital of North China’s Ningxia Hui autonomous region, May 22, 2012. Thanks to his hard work, he now ranks top five in class. [Photo / Xinhua]

After a chat with his roommate, Xu Huan (left below) has to hurry back to the study room, in Yinchuan, capital of North China’s Ningxia Hui autonomous region, May 22, 2012. To continue reading after the study room is closed, Xu strolls along the corridor for some light. “Exams are coming, and we have to seize every minute. Some of us are studying overnight in these days,” Xu said. [Photo / Xinhua]