Ключевые слова: address, apartment, backdrop, backgrounds, blue, blue mailbox, box, building, business, city life, communication, concept, conceptual, copy space, copyspace, correspondence, delivery, design, district, entrance, house, inbox, information, interior, key, letter, letterbox, locker, mail, mailbox, message, number, outdoors, outside, post, postage, postal, postbox, residential, row, rows, security, send, service, street, sunshine, urban, wall, wallpaper,