How did human beings originate? How long is the history of our human civilization? This is never a satisfactory conclusion. Modern scientists infer from the hunger analysis results of "molecular anthropology" that human beings at least

It has a history of 3.5-6 million years. And the history of our modern civilization is only 5000-7000 years. Before this, did mankind have a highly developed stage?

We should not ignore many legends gained in history. The ancient Greek philosopher Plato wrote in his book.