Ruins of Doomsday: the Cold Man's Walk

This is the first millennium after world nuclear peace. The human world has declined and decayed, and survival has become a huge problem for the entire human race. Lin Fan, a child born a thousand years after nuclear power. What can a little ant-like person do? Join the factory? Or guarding an energy beacon? Or... Save the world? The embers that spanned thousands of years fell on me, and everything seemed to end differently. Under the guidance of the most powerful technological AI thousands of years ago, Lin Fan led mankind to recapture pieces of land and pieces of sky... I am Lin Fan, a struggling hope!