““Because they are almost always above human sightlines, and because people in the city rarely look up, they don't see...them," he said, gesturing to the horror across the street, the horror so strikingly at odds with the anonymous building from which it sprang, like a tumor sprouting from the mild brow of some harmless middle-aged and middle-class executive. "But they...well, you'll notice that they're almost always looking down." He paused, then smiled again. The smile was different this time: thoughtful, and, I think, the tiniest bit uncomfortable. "We don't see them," he said, "but they see us.””