Different Time Travel Group

I hope to show readers a future science fiction world full of real feelings. As humankind around the world advances in science and technology in the future and begins to come into contact with extraterrestrial civilizations, humans of various races who died due to wars are resurrected through the advanced civilization technology of the Universal Alliance. They travel through various parallel worlds for the future of the earth, completing various impossible tasks, and taking readers into real journeys. This will be a travel guide, natural science and technology and a brief history of human knowledge series.