A historical novel that combines reality with science fiction and super large-scale group travel. It is about a group of playmates who get a space-time spaceship from the future. They travel through the past and present, farm and start a business, seize islands overseas, and during the COVID-19 epidemic, start the ancient and modern great migration and create a new society. Later, the spacecraft fell into the hands of hostile forces. . . . . . Half real memories and feelings, half sci-fi imagination time travel.
