The Buddhas were only roughly carved in the rock, which was then covered in a mud plaster mixed with straw and horsehair molded to depict the folds of their robes and then painted in bright colors.

• 佛像只粗略雕刻在岩壁上，再包覆一层灰泥，掺杂稻草和马毛，用来形塑佛像法袍绉摺，再涂上鲜明的颜料。