Second Sun

That day, foreign objects fell from the sky, and mankind entered the bunker age from the golden age. While struggling to survive, it struggled to maintain the last glimmer of civilization. A hundred years later, the emergence of new energy sources opened up a new world. People moved back to the ground again and competed with foreign objects for resources. Lin Shu, an ox-horse engineer at the end of the golden age, traveled to the future - a new world where the human technological tree was cut down and sprouted again.