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This is an interesting exhibition documentation choice: the light from the street overpowers the gallery's, which, generally, we avoid. The gallery's lighting should be all encompasing, powerful, a scour to impurities. That this exhibition takes as its theme the shop window makes the reversal make sense, the gallery becomes a sort of inverse shop window itself. Which it always was. The fishtank of the street. But it's an interesting way of framing object which take the commodic display as their penchant. The Musee d'Orsay lights paintings with square spots fit to the paintings to make them appear as if the paintings themselves emit the light. It's important to know from where your light come.