Liu Xingdong (right) instructs his apprentice, Qiao Anjun, at the workroom, Oct 11. Liu started to look for apprentices in 2012 to help him cope with an increasingly busy business, and to promote and protect traditional silverware and gold handicraft making which is an intangible cultural heritage in Jinzhong city. He now has five apprentices, with the youngest 19 years old. [Photo/Xinhua]