How is the Feeling to Take the Train to Tibet?

This video interviews some people about their feelings to take the Tibet train and shows how is this World's Highest Railway.
Train ride to Tibet is unique experience, it is called Qing-Tibet railway, from Xining to Lasa, the average altitude is more than 4000 meters, so it is also called world's most extreme railway.

[@kiatbinow981]

Thank you. Very informative and useful to prepare our trip to Tibet.