A deep underground base was three thousand meters above the ground.
This place used to be a military facility used to resist the attacks of powerful weapons to ensure that the regime could continue to operate after the disaster.
They had an abundant supply of resources, enough for ten thousand people to consume for ten years.
This kind of deep digging was very common among intelligent creatures. They often subconsciously believed that the thick ground could bring them a sense of security.
Especially when the crisis came, the sense of security brought by the depths of the earth was what the survivors desired the most.
This was indeed the case. The thick and solid Earth could withstand most terrifying attacks.
Unless a flood drowned the earth or an earthquake caused the mountains to shift, they could definitely wait for time to pass.
Time could erase everything. No matter if it was war or pain, it would come to an end.
