Back in the apartment building, Jing Jiu was still thinking about this question.
Since they were the same civilization, why had they split into two sides?
Had this side cast that side out, or had that side cast this side out?
Jing Jiu walked to the window and looked up at the sky above.
Thin clouds filled the sky, looking very much like Green Mountain, and many layers of enormous platforms were faintly visible among them.
Those platforms had not been built in space. In fact, they occupied the mantle's former position.
Many years ago, the rock and minerals there had all been transported to factories in space, leaving only the platforms of the working faces. Later, many buildings had been built on them as human settlements.
The cliff where New Era Academy stood was already deep within the mantle.
Farther down lay this deserted neighborhood and the laboratory he had escaped from.
That place should originally have been the core. It was said to have been separated from Star Gate during the planetary transformation, becoming the source of metal for countless warships.
Yes, humans had hollowed out this planet, preserving only its crust.
Now, only priestesses and the highest-ranking aristocratic families and officials were entitled to live on the surface, with its forests and lakes.
To Zhong Lizi, whether people lived on the surface or on those high platforms, they were all people from above.
For humanity, the comprehensive exploitation of planetary resources would inevitably lead to such a situation.
Jing Jiu had read the history of the Galaxy Alliance and knew that, through several invasions by the Dark Matter Sea, Star Gate Base had ultimately survived precisely because of this peculiar structure.
Whether the earth lay beneath their feet or above their heads, it could give humans a