The End of the World: Build a Planetary Fortress Starting from a Shelter

An asteroid with a diameter of over 300 kilometers breaks into the solar system carrying thousands of meteorites, and the human homeland is facing the crisis of extinction... When the two moons share the same day, the disaster officially begins... Dust covered the sky, and earthquakes, tsunamis, volcanic eruptions, high temperatures, heavy rains, and extreme cold followed one after another, completely rewriting the surface environment. Alien ruins and undersea behemoths are gradually unveiled, and at the same time a greater crisis is quietly brewing... Lin Hang accidentally traveled to this parallel world and awakened the civilization fire system. He will build an underground shelter and develop technology within a year... Underground mining platforms, gravity elevators, space elevators, climate control, planetary ecological transformation... Whether human civilization can continue... Where in the vast universe can humans have a foothold... Follow Lin Hang to witness it! [Natural Disaster] [Farming] [Technology] [Infrastructure] [Megastructure] [Interstellar]