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Channel Tunnel: The 20th century's most expensive construction project — but worth every penny | by Gareth Dennis | Medium
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Eurotunnel heavy goods vehicle (HGV) shuttle train exits the French Portal at Calais after travelling through the Channel Tunnel Stock Photo - Alamy
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Calais, France - Inside the Eurotunnel Train Joining France and United Kingdom Editorial Image - Image of connection, public: 178012060
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Eurotunnel train evacuated in Channel tunnel - Customers stuck for HOURS | UK | News | Express.co.uk
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