Bibei Yao Fastness lies in Bibei Town,Ruyuan Yao Autonomous County. The name comes from ”°back of turtle”±, In Chinese ,turtle is locally pronounced as Bi. Because the ”°±ī”±(turtle in Chinese)is so complicated that the name becomes Bibei.Bibei Yao Fastness is the origin of the overseas Yao nationality. It is surrounded with mountains here and there are distinctive buildings here. You can not only enjoy the beautiful scene here, but also have a taste of the old and peculiar conditions and customs of Yao nationality.