Fang Shiying polishes the stone shadow carving work in Cangzhou, north China's Hebei Province, Dec. 14, 2018. The stone shadow carving, creating images on stones by chiseling dots on the stones, has been an old art that dates back to the Qing Dynasty. The craftsmanship has been inscribed in the provincial intangible cultural heritage list of Hebei. (Xinhua/Wu Jianlu)