Christopher Columbus, Marco Polo, and Zheng He; what do these people have in common? All were great naval explorers. See how Zheng He came to lead a fleet of thousands of men to distant lands in reportedly some of the biggest ships in history. See the technology that put them a step ahead, the novel way his crew stayed healthy, and how he encouraged cultural exchange in the many places he visited.
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Episode #1006 / Length: 26 minutes
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