LAke Lugu is a province located between Yanyuan County in Sichuan Province and Ninglang County in yunnan Province,258 kilometers from Xichang,and 830kilometers from chengdu. Lake Lugu is a provincial sxenic spot in sichuan. The community of Lake Lugu is the only existing matriarchal society in the world. The custom of the "walking marriage"is a "living fossil" for the study on the evolution of human marriage. And Lugu Lake is world famous for its beautiful natural scenery and for its old and mysterious custom of a "walking marriage". We visit the Qionghai Lake Scenic Area in here.