Happy man and light bulbs sketched on blackboard, growing from her head

---

Size: 3744px × 3744px
Location: Portugal
Photo credit: © HA Photos / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: achievement, blackboard, bright, bulb, chalk, chalkboard, concentration, concepts, confident, creativity, development, electricity, evolution, expertise, growth, guy, handsome, head, human, ideas, imagination, improvement, innovation, inspiration, intellectual, intelligence, invention, lamp, light, male, man, men, motivation, progress, property, solution, standing, success, thinking, wisdom, worker