The only thing for it now was to keep going. The head frame was all of a thousand meters away. There was nothing between him and it but flat, albeit rough, terrain. On the far side of it was a freight train, its cars laden with yellow powder, feeding a big pile of the same, which was not too far from his destination. He’d got close enough now, and was low enough, that he had a view beneath all those stretched nets that covered the complex. He glimpsed steel buildings, systems of pipes and conveyors, parked forklifts.