The long commute home for Lunar New Year begins for millions of migrant workers in China.<br/> <br />An estimated 3.6 billion passenger trips are expected to be made across the country, for the 40-day Spring Festival holidays.<br/> <br />Tickets are elusive. This woman from Heilongjiang province said his ride home will take 20 hours, and not even on a sleeper car.<br/> <br />(SOUNDBITE) (Mandarin) 37-YEAR-OLD MIGRANT FROM NORTHEASTERN HEILONGJIANG PROVINCE LI YANXIA SAYING:<br/> <br />"I have been working for the whole year, now it is time to go back home and see my children. It was very difficult to buy a ticket. I had to ask many people to help me book one online. In the end, one of my colleagues managed to snap up a seat ticket for me."<br/> <br />The movement of people during the holiday period is described as the "biggest annual migration of people".<br/> <br />Nearly 260 million people are expected to ride on trains during this time.<br/> <br />Despite the exhausting travel, the Lunar New Year is the only opportun