Stuff You Missed In History Class

Why is there an underground city beneath Beijing?

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The Beijing underground city may sound like the stuff of legends, but it's a real place built to escape Soviets. Check out our HowStuffWorks article to learn more about the fact and fiction surrounding the city underneath Beijing. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.