Rural villages in China are filled with workers who have returned home for the Chinese Lunar New Year. <br /><br />Many rural Chinese move hundreds of miles to work in factories, and a huge number return home for new-year festivities.<br /><br />They are part of the largest annual mass migration of humans on the planet.<br /><br />Al Jazeera's Craig Leeson has been spending it with one family in a remote part of Sichuan province.
