Angela Chalk lives right in the middle of New Orleans, in the 7th Ward. Her house withstood Hurricane Katrina's pounding winds, but not the flood that followed when the federal levee system failed.
"I had 6 feet of water," she says, pointing to a watermark on her wall.
And she wasn't alone. About 80 percent of the city's homes were inundated with floodwater. It was weeks before the water receded and Chalk was able to return home.
When she did, what she found was a crusty brown mess.