Chinese President Hu Jintao (C Front) looks at a dredging vessel model made by students in Beijing No. 80 High School in Beijing, capital of China, Sept. 9, 2011. On the eve of the Teachers' Day, Hu Jintao went to Beijing NO. 80 High School to see the teachers, students and other staff members of the school. [Xinhua/Rao Aimin]