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Inside the World’s Longest “UnderSea” Tunnel: How the $15B Impossible Channel Tunnel Was Built!
After decades of ambition, political risk, and extreme engineering challenges, a $15 billion tunnel was carved beneath the sea ...
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Suman Kumar@suman_kumar
8/12/2026 | 12:25 pm 4 Min Read
Watch full HD video on ToleeSource: https://www.youtube.com/watch?v=zqJHo3uwZ90
🎥 **Discovery Video** 📌 **Inside the World’s Longest “UnderSea” Tunnel: How the $15B Impossible Channel Tunnel Was Built!** 📺 Channel: Capitol Insider 📖 After decades of ambition, political risk, and extreme engineering challenges, a $15 billion tunnel was carved beneath the sea ... 🔗 Watch full video: https://www.youtube.com/watch?v=zqJHo3uwZ90 Stay connected with Tolee for daily video updates across NASA, Discovery, National Geographic, Science, Education, Documentary, History, Space, Animals, Technology, and Kids Education!
Official References & Sources Source Link: https://www.youtube.com/watch?v=zqJHo3uwZ90
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