网页The people of this very small ethnic minority have lived for about 500 years on the three islands of Wanwei (Vạn Vĩ), Wutou (Vu Đầu) and Shanxin (Sơn Tâm) off the coast of Guangxi, China, about 8 km east of the border with Vietnam. Some also live in nearby villages of Zhushan and Tanji.