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IN FLIGHT- AUGUST 30: A neighborhood east of downtown New Orleans remains flooded August 30, 2005 in New Orleans, Louisiana. Approximately 100 people are feared dead and estimates put the property loss at nearly $30 billion as Hurricane Katrina could become the costliest storm in US history. It is estimated that 80 percent of New Orleans is under flood waters as levees begin to break and leak around Lake Ponchartrain. (Photo by Dave Einsel/Getty Images)

IN FLIGHT- AUGUST 30:  A neighborhood east of downtown New Orleans remains flooded August 30, 2005 in New Orleans, Louisiana. Approximately 100 people are feared dead and estimates put the property loss at nearly $30 billion as Hurricane Katrina could become the costliest storm in US history. It is estimated that 80 percent of New Orleans is under flood waters as levees begin to break and leak around Lake Ponchartrain.  (Photo by Dave Einsel/Getty Images)