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Modern Marvels Season 6 Episode 17

Mail Delivery

Through rain, snow, heat, or gloom of night, we expect postmen to deliver the mail. The U.S. Post Office handles over 603-million pieces of mail daily. Yet it represents only 43% of the world’s total mail volume. From ancient Sumerians to Pony Express, from airmail to E-mail, we follow the long journey of mail.

Feb. 08, 1999