Combo photo shows a piece of embroidery of the Dong ethnic group displayed at Anthropology Museum of Guangxi in Nanning, South China's Guangxi Zhuang autonomous region, May 18, 2019 (above), and villagers exchanging skills of making embroidery of the Dong ethnic group at Tongle village in Sanjiang Dong autonomous county, South China's Guangxi Zhuang autonomous region, Feb 22, 2017. (Xinhua/Lu Boan)