About this video
This video shows how tunnels are built underwater using giant tubes! It's like building a puzzle under the sea. It's called immersed tube tunneling and it's super cool.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What is the name of the construction method used to build underwater tunnels?
Answer: Immersed tube tunneling
Q2 Why are bridges over water sometimes so tall?
Answer: To let big ships pass underneath.
Q3 What shape do tunnel boring machines usually make?
Answer: A circle
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