The process of problem solving or idea formation. Question mark and light bulb icons on wooden cubes on Blue background.

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Size: 5184px × 3456px
Photo credit: © mohsin majeed / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, business, button, concept, control, design, education, elevator, finger, hand, hotel, level, mark, metal, number, office, question, sign, silver, steel, symbol, wall, white, woman