Hundreds of millions of Chinese are now traveling home to celebrate the Lunar New Year. It's the largest human migration on earth -- and it stretches the country's transportation system to the limit.
This is no average trip to grandma's house. Train tickets can be scarce and difficult to purchase. This photo show customers in Beijing lining up in the hope of scoring tickets.
By Charles Riley @CRrileyCNN - Last updated February 07 2013 08:30 PM ET
