Build a Shuttle at the Beginning and Go Back in Time!

Global catastrophe, build a shuttle at the beginning and go back to the past! In 2034, the world's population will plummet by 90%. Global ecological changes have entered a period of large-scale explosions. Natural disasters such as earthquakes, storms, volcanic eruptions, tornadoes, and floods have enveloped everything on the earth's surface... No one among the people who are still alive knows where the fate of mankind will go, whether it will survive the crisis or become history. Ji Qin traveled through time, activated the god-level black technology system, and mastered countless black technologies. As long as he has technology points and raw materials, Dyson balls are no longer a dream! In this critical moment for mankind, Ji Qin knew that he could no longer keep a low profile... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.