When the shadow of the "Hope" fell on the new home of Proxima Centauri, Yan Xia looked at the smiling faces of human newborns on the screen and suddenly realized: the essence of civilization has never been the boundaries of the planet, but the belief in "survival". From the ruins of the earth to the battlefield of the galaxy, from the first 3D printed robot to the army against black hole weapons, humans have lost their homeland, but have learned something more precious in the universe - creating in despair.