Negative:
No clutter, no people, no furniture, no animals, no plants, no excessive decoration, no low-quality art, no low lighting, no visible wires or cords, no broken or damaged artwork, no outdated technology or equipment, no distracting or overpowering scents, no bright or garish colors, no overly crowded or cluttered display, no overly complicated or difficult to understand art, no historical or antique pieces, no kitschy or tacky decorations, no distorted or disfigured art, no distracting or unappealing textures, no awkward or unbalanced compositions, no unappealing or unpleasant imagery.