The 2008 Sichuan earthquake registered 7.9 on the Richter scale and claimed the lives of some 70,000 people.<br /><br />Al Jazeera's Melissa Chan reported on one family's grief after their 11-year-old son was buried in the rubble of his school.<br /><br />Four years later, Al Jazeera caught up with the Zhao family, and learned how they are struggling to move on with their lives.
