C232 Place of the living and the dead(part ii)

After an unknown amount of time, Bu Liqi suddenly opened his eyes from within his helmet. The helmet was activated for night vision. Under the infrared vision, the base passage was covered in a layer of red light, but it was clearly visible.

Nothing.

Bu Liqi looked around, and confirmed that within the hundred meter radius of his vision, there was nothing else. That was to say