The Dong ethnic minority lives primarily in the border regions between Guizhou, Hunan and Hubei Provinces, and it was during the Tang Dynasty (618-907), that this minority separated from the mixed minority 'Bai Yue', naming themselves Dong. Their language is a branch of Zhuang-Dong Group of the Sino-Tibetan phylum though many of them also speak Chinese. They work on agriculture, forestry and the industrial arts. The women are adept at spinning and embroidering and on the brocade; they like to embroider patterns of animals, plants, wares, and even legends. Most of their clothes are self made in color of blue, black, white and purple. They are also skilled in the arts of painting, engraving and the casting of ornate silver work.