Blank Advertising Poster in Urban Street Scene

photorealistic urban street scene featuring a blank white vertical advertising poster board in a dark metal frame, mounted on a single black pole, positioned slightly left of center on a brick-paved sidewalk, leafy park avenue in the background with mature trees and scattered yellow autumn leaves, softly blurred pedestrians and street elements in the distance, shallow depth of field, natural overcast daylight filtering through green foliage, realistic textures of metal frame, glass surface, pavement, tree bark and fallen leaves, calm everyday city atmosphere, 50mm lens documentary photography, soft bokeh, high detail