You could tell from the name Shelter No. 9.
If there was a No. 9, then there had to be a No. 8, a No. 7, and perhaps even more.
In fact, Lu Bai had learned about this a long time ago.
The shelters were ranked by size.
Of course, Shelter No. 9 was already enormous. Even the shelters ranked above it, though larger, were all on the same scale.
The combined population of the ten colossal shelters at the top of the rankings could reach two billion.
These ten shelters were essentially the last reserves of human civilization.
Beyond them, the two-digit and even three-digit shelters were much smaller. They could hardly be considered a source of hope, and no one even knew whether anyone was still alive inside them.
So although the City Council had sent a notice to every shelter, it was only concerned with responses from the top ten.
The basic radio was simple to operate. You didn't need a professional to use it; Xiao Zhengyan could manage it himself.
After sending the notice, he turned to look at the permanent councilors present.
Everyone sat quietly in their seats, each looking troubled.
He knew the councilors were preparing themselves mentally.
There was no helping it. Even though they had been ready for this day ever since becoming City Councilors, it was still difficult to face calmly now that it had actually arrived.
"Under the Flower City Treaty, established before the Shelter Plan officially began, all shelters must set aside their differences and work together for the future of humanity upon receiving the signal to return to the surface..."
Councilor Shen recited the words with concern.
He knew that the treaty must have had the support of all of humanity's leaders at the time. It had represented