Pupils show their paintings about environmental protection at the Zhonghua Primary School in Xianyang, northwest China's Shaanxi Province, Sept. 1, 2007. Pupils of the Zhonghua Primary School created over 100 paintings of environmental protection during the summer vacation. Their artworks were displayed in the beginning of the new semester.

A policeman teaches students traffic safety knowledge at a primary school in Xi'an, capital of northwest China's Shaanxi Province, Sept. 1, 2007. Traffic policemen in Xi'an went to schools to publicize traffic safety knowledge in the beginning of the new semester.

Pupils sing national anthem in gesture language in the Special Education Center in Xuzhou, east China's Jiangsu Province, Sept. 1, 2007. Over 530 students in the center viewed the national flag hoist and "sang" national anthem to greet the new semester.

(Xinhua News Agency September 3, 2007)