C485 There's a Problem

Very soon.

It was afternoon.

After 4 PM.

A group of people returned to Q City.

They brought a large number of equipment with them.

Then, they started to install the equipment quickly.

At the same time.

In the afternoon.

Outside the Q City, it could be said that it had completely changed!

It was true.

When the number of people reached a certain extent, if everyone worked together