The video shows cross movements of light rays, which constantly change their trajectories. Due to the alternation of light and shadow appears an illusion as if there is no roof in the given space.
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Roofless
Video projection on ceiling, 5 × 4 m, 36 min (loop), 1 channel, b/w, no sound, video projector, DVD-player ArToll, Kunstlabor, Bedburg-Hau