 Mass burial sites containing thousands of bodies have been uncovered since the fall of Saddam Hussein in April 2003.Of the 200 mass graves the Iraqi Human Rights Ministry had registered between 2003-2006, the majority were in the South, including one believed to hold as many as 10,000 victims.In March and early April, nearly two million Iraqis, 1.5 million of them Kurds, escaped from strife-torn cities to the mountains along the northern borders, into the southern marshes, and to Turkey and Iran.