Ключевые слова: advertisement, advertising, background, banner, billboard, blank, blue, clean, clear, concept, copyspace, direction, display, empty, grey, guidance, guide, guidepost, information, message, metal, metallic, nobody, notice, outdoor, panel, placard, pole, post, road, roadside, roadsign, sign, signage, signal, signpost, single, sky, square, symbol, template, transportation, urban, way,