Yangshan unique stele material in Nanjing

Yangshan stele material was a semifinished stele for Zhuyuanzhang,the first emperor of Ming dynasty,which was excavated by Zhudi,Zhuyuanzhang's son,in the initial stage of Ming dynasty.The stele was composed of stele body,stele seat and stele cap and piled up to 70 m high and 17810 ton.Because of too big and too weight to transport,it was abandoned in Yangshan stone pit in Nanjing and has become an unique stele material in the world.