炳灵寺石窟70号窟，唐代开凿，明代重塑、重绘。窟内正中木胎泥塑八臂十一面观音像，各面竖式排列，上下五层，是明代藏传佛教的典型作品。
Cave 70 of Bingling Temple Grottoes was excavated in the Tang Dynasty and remolded and repainted in the Ming Dynasty. Inside the cave, at its center, stands a wooden-framed clay sculpture of the Eleven-Faced Guanyin with eight arms. The faces are arranged vertically in five layers, and it is a typical work of Tibetan Buddhism from the Ming Dynasty.