Zheng Yan, a crystal carver, shows a piece of her work to journalists at her gallery in Donghai county, Lianyungang, Jiangsu province on May 26, 2017. Born in a small village in Donghai county in 1966, Zheng entered the crystal business as a saleswoman to earn a living in the late 1980s, and gradually developed an interest in designing and engraving crystal. [Photo provided to chinadaily.com.cn]