Introduction to Yin Yuan Stone: Yin Yuan Stone is located in the majestic and undulating green woods of Jade Girl Terrace. It is 10.3 meters high and 4.8 meters wide. There is a hole in the stone, which is 4 meters deep, 5.3 meters high, and 0.75 meters wide. The rock wall is pink and surrounded by shrubs, fresh moss and weeds, which resemble female genitals. It is also called "Mother" Stone", "Shaoyin Stone" and "Gate of Life".