top view of empty blackboard on green grass, earth day concept

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

Keywords: april, blackboard, blank, care, celebration, concept, conceptual, copy, day, earth, eco, ecology, elevated, empty, environment, environmental, event, global, holiday, nature, placard, planet, protect, recycle, save, sign, space, symbol, top, view, world