The following account was recorded in the agent's log during your transmission: Umm, gray concrete tunnels are stretching out in every direction, like some kind of underground highway system. The air's thick with the smell of damp earth and exhaust, and it's pretty humid down here – I can feel sweat beading on my face. This... weird, translucent jellyfish is somehow embedded in the tunnel wall, its tendrils stretching out into the concrete like it's been there since the tunnel was built. The weird thing is, the tunnel's shifting, like the whole thing's a massive, living thing that's just adjusting its layout...