"The password has been changed. Sure enough, someone has touched it!"
Angelina came to the closed door, beside which there was a mechanical device, which showed "Incorrect password".
"Who?... He actually arrived here before us."
Gee scratched his head in confusion.
"I don't know. But judging from the situation on the scene, this person must have dug a hole from the outside and entered the air cabin. But he couldn't open the second door, so he could only live in the air cabin." Nanako Sumiya covered her chin with her hand. Through the clues on the scene, she has turned on her profiling ability and almost restored everything that happened here.
"Who can open the door?"
Jack walked to the second round cabin and observed.
This door was used to balance the air pressure inside the cabin. There were even third and fourth pneumatic doors of insurance inside.
Only by opening the four doors in a row could one enter the base.
"Let me have a try."