Prison 17 had been built long enough ago that it got next to no natural light—before all the studies that said that light was good for prison behavior and morale. And of course the rest of its district had been remodded in the past ten years, so the view from outside was a phalanx of solar panels over heat-reflecting paint, making a headache-inducing pattern of black and white. Prisons and hydroponics. Narrated by Jayme Grant.

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