Which country recently launched a new bullet train, that runs 3,000m above sea level with automated oxygen supply?

Amazon daily quiz (23rd August 2021, Today) | The correct answer to the question - Which country recently launched a new bullet train, that runs 3,000m above sea level with automated oxygen supply?

Today’s Amazon quiz, 23rd August 2021 | The options for the question – Which country recently launched a new bullet train, that runs 3,000m above sea level with automated oxygen supply?

  • China

  • Japan

  • Spain

  • Switzerland

The correct answer is China.