Art style: Quirky Vintage pop-art collage.
Massive crowd of 1880s workers marching down a cobblestone street in Chicago, holding vintage protest signs saying '8 Hours'. Bright daylight, historical documentary style, dramatic angle.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "Quirky Vintage pop-art collage" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Quirky Vintage pop-art collage".
Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Quirky Vintage pop-art collage" idiom, not in any other medium.
