Two piece of intermingled concrete puzzle on a white background. Vertical shot.

Size: 5249px × 3499px
Photo credit: © Stephane106 / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: brain, complex, complexity, concrete, create, creation, creativity, difficulty, grey, hard, headache, imagination, intermingle, invention, problem, puzzle, reflexion, solution, teaser, thinking, tough, vertical