Why This Illinois City Built a Gate to Seal Itself Off

Описание: At the southern tip of Illinois, where the Mississippi and Ohio Rivers collide, the city of Cairo once relied on one of the most extraordinary flood defenses in American history. Hanging above the road into town was the Big Subway Gate — an enormous iron barrier designed to drop into place and seal the city off from the outside world, turning Cairo into a fortified island during catastrophic floods.

In this episode, we explore how Cairo rose from swampy failure to Civil War stronghold, why its location made it both powerful and vulnerable, and how the Big Subway Gate became the centerpiece of a desperate engineering plan to hold back two of the most dangerous rivers in North America. This is the story of survival, decline, and one forgotten structure that still hangs over the city today. #CairoIllinois #AmericanHistory #HistoryDocumentary


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IT’S HISTORY - Weekly Tales of American Urban Decay as presented by your host Ryan Socash.

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Scriptwriter - Ryan Socash
Editor - Karolina Szwata
Host - Ryan Socash


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