Ключевые слова: ad, advert, advertise, advertisement, advertising, announcement, banner, bill, billboard, blank, board, building, bus, business, canvas, city, commercial, corridor, display, empty, escalator, frame, hall, hallway, information, marketing, media, message, metro, modern, panel, passage, placard, poster, promo, promotion, public, road, sidewalk, sign, space, station, street, subway, text, train, transport, underground, walkway,