July 10, 2003
To his left, high on the walls, were large flat video screens mounted on rotating brackets, which had no doubt once fed information to people working below. There was something about them that troubled Sierra, and it took him a few moments to realise what it was. It was, in short, their very presence. They were large, rigid, flat, strong sheets of plastic ply, useful for a hundred or more low-tech purposes. They could have been turned into roofing, or table tops, or sleds, or shields, or doors. And yet, for perhaps half a millennia, they had been left alone.