The remains can be various kinds of artifacts such as stone hammers, stone ornaments and fragments of pottery basin, or features like houses, forts and graves.

• 研究对象包括各式各样的遗物,例如石硾、石制饰物及陶器的碎片等;此外亦包括古代人类生活的遗迹,例如房屋、炮台及墓葬等。