sign at blackboard

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Size: 2614px × 3346px
Photo credit: © aialamy / Alamy / Afripics
License: Licensed
Model Released: None

Keywords: abstract, background, banner, blackboard, blank, blankness, board, bush, chalk, chalkboard, classroom, cross, design, education, exam, examination, examine, flat, frame, glass, icon, inspect, label, lacunae, list, mark, pattern, plank, school, schoolroom, sign, symbol, tag, teaching, test, texture, tick, trace, vestige, wake, water, write, wrong