Song Chunsheng, the inheritor of Ni Gugu looks at the Ni Gugu which are ready to be sold 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)