Three pupils from Xiantao Elementary School of Yubei District in southwest China's Chongqing Municipality settle new birdcages on a campus tree March 13, 2002. Students' handmade birdcages along with other kinds of environmental protecting articles and artware made from junk are seen everywhere in the only rural school which is nominated for the "Ford Environmental Prize" in 2001 in the whole country. Xinhua Photo