Ma Zizheng, a professional Bao'an broadsword maker, introduces Bao'an broadswords to a visitor at his store in Jishishan County, northwest China's Gansu Province, Nov. 29, 2012. China's Bao'an ethnic group is famous for their unique broadsword forging technique. The technique is the main income source of Bao'an people, especially after it was listed as China's intangible cultural heritage in 2006. (Xinhua/Huang Wenxin) |