Blackboard with Emergency

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Size: 5935px × 3876px
Photo credit: © Stuart Burford / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abstract, advertising, background, black, blackboard, blank, block, board, chalk, chalkboard, class, classroom, closeup, communication, copy, education, emergency, empty, frame, grunge, learning, message, rubbed, school, sign, single, space, surface, text, texture, wall, word