In China, they're headed home. By the hundreds of millions, all in anticipation of the lunar new year which begins on January 23.<br/> It's the largest annual human migration on the planet.<br/> Trains, buses and planes have been packed and authorities have implemented an online ticketing system to accomodate the unprecedented 3.1 billion passengers traveling over the next few weeks.<br/> So far, the new online system isn't receiveing rave review.<br/> SOUNDBITE: Yang, 24-year-olf University student saying (Mandarin):<br/> "If you keep on trying to log in, you get through after about 20 minutes, and after that when you click to purchase the tickets, it comes up with a "server busy" notification. Every time you reach this stage, you have to log in again, which takes more than another 20 minutes."<br/> The holiday is the most important for the Chinese --- and for many, espeically migrant workers in the city, it is their only chance to travel home and seee family.<br/> Deborah Gembara, Reuters
