Ключевые слова: address, architecture, background, box, closed, closeup, color, colorless, communication, container, correspondence, delivery, drop, education, email, envelope, furniture, grunge, hole, horizontal, interior, keyhole, letter, letterbox, lock, locker, mail, mailbox, many, metal, metallic, nobody, number, office, old, paper, pattern, post, postal, postbox, red, retro, row, secure, security, send, storage, urban, vintage, white,