JINAN, March 13 (Xinhua) -- At 6:30 a.m., while most villagers are still in their slumber, a two-story building bursts into life with the rhythmic sound of sewing machines humming through the windows.

With delicate patterns and intricate stitching, Yi embroidery has been passed down for more than a millennium among the Yi ethnic group in southwest China's Yunnan province. Recognized as a ...