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As the visitor circled the structure, this narrow gap became apparent, giving a flashing view of yellow beyond. Often this would give the illusion of their being no third wall. An interplay occurred between the repulsion caused by the imposing walls and their markings, and the attraction of the brightly-lit corners with their peep-view inside.

Importantly, the shifting perceptions caused by this illusion meant the installation could not be taken in at one glance, and required the viewer to move through the room.