"Oh, here's a sidebar about epistemology."
  "Stop it! Stay in the picture! Pretend you're looking at something that's just outside of the frame of the picture, as though you were really there."
  "Oh." Barry was nine-tenths sure he had no idea what this meant. He concentrated on the sky. He saw what looked like the wing of a bird. It was easy enough to reconstruct in his mind the rest of the bird. But then what was that smell. Mediterranean dirt. Brick-baking heat.
  The phone's battery light was blinking and the signal cut out.

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