Past, present and future: The evolution of China's incredible high-speed rail network
CNN
Over the past decade, China has built the world's largest dedicated high-speed rail network, revolutionizing long-distance travel across this vast and diverse nation. Find out how they built so much so quickly.
(CNN) — At the beginning of the 21st century China had no high-speed railways.
Slow and often uncomfortable trains plodded across this vast country, with low average speeds making journeys such as Shanghai-Beijing a test of travel endurance.
Today, it's a completely different picture. The world's most populous nation has -- by some distance -- the world's largest network of high-speed railways.
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