The Najaf cemetery in central Iraq is the largest graveyard in the world.<br /><br />It is a holy site for Shia Muslims, millions of whom choose to be buried there because of its proximity to Imam Ali's tomb.<br /><br />But as poverty and violence displace more Iraqis, the cemetary is increasingly becoming a refuge the living. <br /><br />Dozens of families with nowhere else to go have now built their homes - and their lives - among the graves.<br /><br />Al Jazeera's Jane Arraf reports from Najaf.
