Ci Xun Eternal

In the year 3500, technology has already entered a new stage. Humanity has conquered the Milky Way, entered new areas, fought with races in outer space, and won successively... Recently, in the world's superpower, country Z, corpses and weapons from about a million years ago were unearthed in a certain area, shocking the whole world. These Even today, weapons are powerful weapons... So the ancient times 100,000 years ago, the ancient times millions of years ago, the super ancient times 40 million years ago, the Origin Era 85 million years ago... So many eras... Human beings are confused. With doubts and curiosity, humans decided to explore the past...