Infrastructure: from Primitive Society to Interstellar Civilization

When he woke up, Ning Zhiyuan found that he had traveled to ancient times, but this ancient time was... A little too ancient. A rugged human holding a wooden spear and wearing animal skins, stabbing a tiger to death with one spear. Are you a human being? Something is wrong, the time period is wrong, this guy is from ancient times. In an era without Coca-Cola Internet games, what's the point of living? When Ning Zhiyuan lost all hope, the system beeped. Your plug-in has arrived Ning Zhiyuan discovered that as long as he leads the development of people in this era, he can gain lifespan and points that can be exchanged for many magical things. Good guy, it turns out I can still live back. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.