Description:Here in Beijing, the world's largest annual migration for humans is in full swing. Millions of people across Asia are travelling home to be with their families over the Lunar New Year. In Beijing alone, over 6 million train trips are expected to be made on Friday (February 8) as the migration reaches its peak. Across Asia, people have preparing to welcome in the Year of the Snake. Here in Myanmar's Yangon, residents say the new year is a chance to start afresh.(1:16)