Song Qingchun, the inheritor of Ni Gugu displays the Ni Gugu he made in Yangqitun Village of Liyang Township in Xunxian County, central China's Henan Province, Dec. 6, 2017. Ni Gugu is a kind of clay sculpture in Xunxian County which can make sound. It was enlisted as one of the national intangible cultural heritages in 2006. (Xinhua/Feng Dapeng)