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	Podcast:		Invention
	Episode:		Roads
	Category:		Society & Culture
	Duration:		00:31:41
	Publish Date:		2019-02-04 11:00:00
	Description:		Roads go ever, ever on, but where do they come from? What key innovations link the animal paths of pre-human times with the massive highway systems we know today? Robert Lamb and Joe McCormick explore in this episode of Invention. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.
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