After the Nuclear Explosion, I Built a City Underground

[Science fiction apocalypse + wasteland + survival] Three days before the outbreak of nuclear war, 25-year-old Zhong Wang, a graduate of the Department of Architecture, received an encrypted warning. He once thought that the preparations he made for the "possible doomsday" - the survival supplies, radio licenses, and underground structure research that were ridiculed by his friends - were just unfounded worries. Until the cold countdown began to beat: in 72 hours, a nuclear bomb with a yield of two million tons would wipe out his city. How will he survive.