The boy picked up a black coal, the expert tested it for 10 years before concluding: This is the only treasure in the world
In 1981, in Shaanxi province (China), a boy picked up a “strange” treasure and immediately brought it to the Shaanxi historical museum. It was not until 10 years later that the secrets of this treasure were revealed. The boy picked up a “lump of coal” and brought it to the museum. In November 1981, …