Photo of an old light bulb with an exclamation mark

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Size: 4912px × 7360px
Photo credit: © Tonko Oosterink / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abstract, background, background-picture, ball, concept, conception, conceptual, design, electrical, electricity, exclaim, exclamation, fantasy, filament, focus, glass, idea, image, imagination, incandescent, interpretation, isolated, lamp, light, light-bulb, light-source, mark, object, principle, punctuation, representation, rounded, shape, sign, symbol, symbolic, symbolism, thinking, thought, transparent, white