It's relatively common for cars and trains to pass through underwater tunnels, but these structures are marvels of modern engineering. Learn how they're blasted, bored, and built from prefab pieces in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/engineering/structural/build-underwater-tunnel.htm

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Episode: https://omny.fm/shows/brainstuff/how-do-we-build-tunnels-underwater

Podcast: https://www.iheart.com/podcast/brainstuff-20922291/