Can you imagine the scene of hundreds of millions of people returning home for the Chinese New Year? China is expected to see 9 billion passenger trips during the annual Spring Festival travel rush. In this video, you will see how China transformed a 110-year-old railway into a high-speed railway with a speed of 350 kilometers per hour, how China built the world's deepest train station beneath the Great Wall, and how China uses high-speed rail to deal with the world's “largest migration” and promote the path to modernization.