Ключевые слова: autumn, boxes, canada, cluster, collection, communication, community, concrete, delivery, distribution, drop, evening, fall, gray, letterboxes, lockers, mail, mailboxes, metal, municipal, neighborhood, numbered, organized, outdoors, package, parcel, post, postal, postal boxes, public, red, residential, secure, security, service, sidewalk, sorting, steel, street, suburban, sunset, system, tree, trees, unit, urban,