Ключевые слова: 2021, address, advertising, apartment, apartment building, black, black and white, bokeh, box, card, closeup, communication, contact, container, correspondence, delivery, design, gray, holding, home, house, key, keyboard, letter, letter boxes, letterbox, mail, mailbox, mailboxes, message, metal, new, newspaper, number, object, office, open, package, parcel, post, postage, postal, postal box, postbox, security, send, service, symbol, text,