After five years research, a professor and his assistant became convinced that the stone was most likely an anchor or other device from an ancient shipwreck, possibly dating as far back as 2,000 years.

• 经过五年的研究，一位教授和他的助手确信那块石头非常像一艘古代失事船只上的锚或其他器具，时间可能追溯到2000年前。