Restarting the Apocalypse, I Will Build Three Cities to Resist Natural Disasters

Doomsday restart: I build three cities to withstand natural disasters The world is covered in ice, volcanoes are erupting and engulfing the earth, and tsunamis are rolling into cities. In the desperate situation of doomsday, the forest awakens the doomsday survival system. Unlock future technologies such as nano water purification, photovoltaic thin films, and geothermal power generation. First build an underground city to withstand the freezing tide, then plan an aerial city to avoid natural disasters and an undersea city to expand survival. Rescue survivors, grab resources, and resist extreme natural disasters. Use the three cities as shields to carve out a way to survive in the apocalypse.