Stone Carving Of Yungang Grottoes 91 - Stone Carving In Yungang Grottoes, Datong, Shanxi Province Of China. CAVE 17(A.D.460-465) A Crossed-legged Maitreya, 15.6 Metres High, Is Carved On The North Wall, A Seated Buddha On The East Wall, And A Standing Buddha On The West Wall, Which Are Generally Named The Trikala Buddhas. Photo