It doesn't matter what is the view on us in other country, it's the problem of thenself. My country,China, please keep on going, to be the most powerful country.
500Kmph is meanless for SK whose total length is less than 500km. They cannot understand what is a big nation.
Pls give us weblink of the research paper on what you said"370 km/hr is the realistic revenue service speed limi".
I live in Guangzou. I took the train of Wu-Guang H 4 times 2011...