light bulb on a branch of pine

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ecological concept, symbolizing renewable energy, bio energy

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Size: 5184px × 3456px
Location: Russian Federation
Photo credit: © kav777 / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alternative, bulb, concept, conceptual, conservation, conserve, consumption, creative, eco, ecologic, ecology, efficiency, efficient, electric, electricity, energy, environment, environmental, glow, green, idea, invention, light, lightbulb, recycle, recycling, renewable, resource, responsibility, reuse, save, saving, shining, solution, sun, sustainability, technology, white