Multiple choice

The world’s highest tunnel for high-speed train is situated in

  1. Japan

  2. South Korea

  3. North Korea

  4. China

  5. France
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

China has constructed several high-altitude railway tunnels, including those in the Qinghai-Tibet railway line. These tunnels represent remarkable engineering achievements in challenging mountainous terrain. The country has invested heavily in high-speed rail infrastructure across diverse geographic conditions.

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