"Okay." For the sake of not losing them, and ignoring the smell, he's dangling the tied-together shoes across the back of his neck and watcher her climb up.

The further up she goes, the more of the rest of the tunnel heading straight up she can see. And the rest of the chute behind her gets illuminated for 7 meters before it looks like it goes upward at an angled grade.

"What do you see up there?"