No.15

Located beside the road below Shangmachang Village, this formation belongs to the Upper Triassic Zhuwo Formation (T3zh). It develops at the base of sandstone, with an exposure width of about 8 m and a height of about 5 m, overall presenting a continuous braided shape. The Individual units are pillow-shaped, ellipsoidal, and ginger-shaped, with smooth surfaces and varying shapes and sizes.