Pupils of Dong ethnic group sing Ka Lau chorus, the big song of their distinguished folk vocal art, at Chemin Primary School of Guzhou Town in Rongjiang County, southwest China's Guizhou Province, Dec. 8, 2016. (Xinhua/Pan Jinqiang)
Pupils of Dong ethnic group sing Ka Lau chorus, the big song of their distinguished folk vocal art, at Chemin Primary School of Guzhou Town in Rongjiang County, southwest China's Guizhou Province, Dec. 8, 2016. (Xinhua/Pan Jinqiang)