"There's definitely no problem. Want to block the back door? Isn't that easy?"
"But while blocking it, we also need to leave ourselves a back door, that shouldn't be problematic, right? If someone else is sent to detect all of this, could they possibly discover us?"
"Don't worry about that. I'll take care of all the arrangements and deployments for us, so there's no need to be concerned at all."
"Good, that's a relief. The time is almost up. In another 10 minutes, the whole building should fall into silence. Let's go to the corridor and see what the situation outside is now."
While speaking, Ye Chen returned to the window and looked down. He saw that no one was coming in or out at this moment. This also proved that everyone inside the building had completely evacuated within 40 minutes.
However, to be frank, a building of this size, housing thousands of people, could be evacuated completely within 40 minutes. This seemed even more exaggerated than an emergency drill.
