Are there underwater train tunnels?
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# Underwater
Is the train from London to Amsterdam under water?
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How long are you underwater on a chunnel?
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How far underwater is the chunnel?
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Does the train from London to Paris go underwater?
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How long can you go under water in Chunnel?
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Is there an underwater tunnel in China?
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Are there any underwater highways?
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Is there an underwater bullet train in Japan?
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What is the deepest underwater tunnel in the world?
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