Embroidery, a folk art with a long tradition, occupies an important position in the history of Chinese arts and crafts. It is, in its long development, inseparable from silkworm-raising and silk-reeling and weaving. China is the first country in the world that discovered the use of silk. Silkworms were domesticated as early as 5000 years ago. The production of silk thread and fabrics gave rise to the art of embroidery. Today, silk embroidery is practiced nearly all over China. It is generally agreed that the best commercial products comes from four provinces: Jiangsu (notably Suzhou), Hunan, Sichuan and Guangdong, each with its distinctive feature.