Ключевые слова: architecture, art, background, blue, box, brick, building, business, city, close, color, communication, container, correspondence, delivery, design, europe, exterior, front, green, home, house, letter, letterbox, mail, mailbox, message, metal, object, old, outdoor, post, postage, postal, postbox, public, retro, send, service, stone, street, style, symbol, town, traditional, travel, urban, vintage, wall, yellow,