The number four, 4, on a glass wall.

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Size: 6500px × 4117px
Photo credit: © Trygve Finkelsen / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 4, abstract, alphabet, background, black, blue, business, collection, color, concept, count, decoration, design, digit, education, element, font, graphic, hand, human, icon, illustration, isolated, math, mathematics, number, numeral, object, people, reflection, school, set, sign, symbol, text, wall, white