C1523 The Second Floor Was like a Maze

I can't believe it didn't lock the door. Lin Yuan was delighted. He observed his surroundings and found no one else around. After that, he went straight into the room.

Because the entire base was in a depression in the mountain, most of the rooms were in the depression. Even though the sun was shining brightly during the day, it didn't just shine into the room.

The room was pitch black