The reason is simple.

The writing on the stone tablet at the entrance of the cave is the earliest cuneiform writing, or in other words, the prototype of cuneiform writing.

Cuneiform is a Sumerian invention.

Where are the Sumerians?

In Mesopotamia!

Of course, this does not mean that they themselves are Sumerians, but their homeland must be not far from the Sumerians, so that they can be influenced and write such words!

There are four major ancient civilizations in the world. Each ancient civilization has far-reaching influence. China affects the entire East Asia, and this unknown civilization obviously belongs to another ancient civilization system - the ancient Babylonian civilization system!

And their homeland is located in the sea. What sea was the ancient Babylonian Kingdom next to?

Mediterranean!!

They should have come from the Mediterranean six thousand years ago. A disaster forced them to migrate. In the end, only a small number of them came to China and here!!

"Keep reading!"

I urged Lao Bai, and my tone became urgent: "The key lies behind, you must decipher it carefully!!"
Chapter completed!