Multiple choice general knowledge history

world's largest tunnel is situated at..

  1. japan

  2. china

  3. switzerland

  4. greenland
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The question likely refers to the Gotthard Base Tunnel in Switzerland, which was the world's longest railway tunnel when completed (though China has since built longer road tunnels). The date of this question suggests Switzerland was correct.

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