Ключевые слова: abstract, architecture, background, belgrade, black, block, brick, city, closeup, cobble, cobbled, cobblestone, fall, floor, footpath, fortress, granite, gray, grey, ground, kalemegdan, material, old, outdoor, pattern, paved, pavement, paving, perspective, road, rock, rough, sidewalk, square, stone, street, surface, texture, tile, urban, view, vintage, wall, way,