As he walked through the tunnel, Zhang Lie felt as though his whole body had been engulfed by the darkness, so all-encompassing that he couldn't even see his fingers when he stretched his hand out.

A whirring noise came from underground, perhaps from some sort of robot, followed by a series of crisp popping sounds. The tunnel lit up with bright flares of white light.

Zhang Lie frowned. He was still within the tunnel. Surrounding him were what seemed to be a variety of statues, which seemed to come alive when the light shone on them. A path, illuminated by the lighting, snaked forward deeper into the tunnel.

Knowing that...