In 1900, a shipwreck was discovered near the island of Antikythera, including an assortment of luxury goods: statues, silver coins, vases ... and what turned out to be an amazing 2,000-year-old mechanism.
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Robert Moses and the Shaping of New York, Part 2
42:12

Robert Moses and the Shaping of New York, Part 1
41:59

SYMHC Classics: Eradication of Smallpox
43:25