yinxu - oracle bones
Pit of oracle bones (甲骨) at Anyang Yinxu. The oracle bones are pieces of bone or turtle plastron bearing the answers to divination during the late Shang Dynasty (1766-1050 BC). They were heated and cracked, then typically inscribed using a bronze pin in what is known as the Oracle Bone Script (甲骨文), the earliest known significant corpus of ancient Chinese writing. The bones contain important historical information such as the complete royal genealogy of the Shang Dynasty.
Yinxu is the ruins of the last capital of Shang Dynasty . The capital served 255 years for 12 kings in 8 generations.