Ключевые слова: address, bokeh, box, closeup, communication, condominium, correspondence, delivery, drop, empty, envelope, furniture, generic, hallway, house, indoor, information, insert, interior, internal, key, keyhole, letter, letterbox, lock, mail, mailbox, many, message, metal, newspaper, number, office, paper, post, postage, postal, postbox, press, receive, row, safety, secure, send, service, shipping, slot, steel, storage,