yellow warning line on stairway, urban signage example, Warsaw, Poland

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Size: 5000px × 3333px
Photo credit: © Robert Podlaski / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alert, architecture, background, beware, caution, city, closeup, concept, copy, floor, gray, line, pattern, people, safety, sign, space, stairs, stairway, step, steps, surface, symbol, texture, urban, warning, white, yellow