Two students arrange weaving lines of Li brocade in Guoxing middle school in Haikou, south China's Hainan Province, Sept. 11, 2013. Over 1,200 students have taken part in the study of weaving Li brocade in the school since 2004. With a history of over 3,000 years, the craft of making Li brocade was listed as the national intangible cultural heritage.(Xinhua/Guo Cheng)