The Chinese New Year is the world's single biggest human migration of people: over 200 million travel to celebrate with family - many of them on the country's advanced bullet train network.
China is growing at a breakneck pace and racing to keep up with demand. As new cities are built and current ones expand, the country is pushing the limits of technology and innovation. On an aerial tour over megacities like Shanghai and Beijing, discover how the population works, travels, plays, and adapts to China's exploding economy and massive urban transformation.
Access even more free Smithsonian Channel full episodes and documentaries online through participating TV providers.
Find out if your television provider carries Smithsonian Channel.
Don't panic! It's simple to upgrade to the latest version of one of these browsers:
Don't panic! To get the best possible experience on smithsonianchannel.com we recommend you upgrade your operating system.
For the best possible site experience, please use Chrome for Android.
Add username "SmithsonianChan" on Snapchat for fun and fascinating facts. We'll be sharing spontaneous photos and videos as inspiration strikes.