"I have no idea." Conor, displaying admirably good knees and leg muscles, stood straight up and looked through the mesh wall of the lift, through which it was possible to see the shell hoist and much more routed-systems clutter choking the mine shaft. This was dimly, unevenly lit by emergency lights. He craned his neck and put his face close to the mesh so that he could peer upward. "Not that far," he said.