The outback post service in Australia  delivers more than just letters and packages. Postman Jamie Black drives an 800-kilometer (500-mile) route through the country's remote regions. Australia Post is government-owned and operated, meaning that no matter the distance, no extra fees are paid. For many residents near Winton, in Queensland, "postie" visits are also a vital social lifeline that serve community mental health  in one of the world's most sparsely populated regions.