From Then On, the Global Deep Blue Era

Yu Zifeng was reborn and returned to the last year of the human era. The polar glaciers are melting, sea levels continue to rise, and the world is about to enter the Deep Blue Age. In the darkest moment, a question on Bihu attracted everyone's attention. Question: If sea water completely submerges the land, where will mankind go? Yu Zifeng: Thanks for the invitation, I'm still alive and just connected to the Internet. I believe that in the near future, seawater will submerge all land, the human era will end, and the Deep Blue Age will begin. The federation should use national efforts to build space cities, undersea cities, floating cities on the sea, and high mountain and plateau cities. This is the project feasibility report and construction drawings, please take them without any thanks. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.