China's next-generation bullet train makes debut on Beijing-Shanghai line; top speed 400 km an hour
Beijing-Shanghai railway line is China's busiest route, used by 50,5000 passengers daily.
Jun 27, 2017, 11:31 AM IST
Beijing-Shanghai railway line is China's busiest route, used by 50,5000 passengers daily.
Jun 27, 2017, 11:31 AM IST