This aerial photo shows high water still covering entire neighborhoods in New Orleans, Monday, Sept. 5, 2005, a week after Hurricane Katrina hit the area.
In this combination picture made available on Aug. 31, 2005, by Orbimage, the New Orleans Superdome is shown on Sept. 17, 2004, (left), and on Aug. 29, 2005, the day after Hurricane Katrina made landfall, showing extensive flooding in the city.
A hurricane evacuation route sign is still nearly underwater along Canal Street in New Orleans Sunday, Sept. 4, 2005. Officials continue to rescue flood victims stranded in their homes a week after Hurricane Katrina devastated the area.
Stephen Smith and Terry Panquerne, rear, push a small boat and a bicycle through floodwaters in the Ninth Ward in New Orleans Monday, Sept. 5, 2005. The two were going through the neighborhood feeding their friends, the animals. Some rescuers have decided to quit taking food and water to those who have chosen to stay in an effort to force them out.
Sgt. Robert Stanley, of 2nd Battalion, 505th Parachute Infantry Regiment from Fort Bragg's 82nd Airborne Division, patrols the flooded streets of the French Quarter of New Orleans, Sunday afternoon, Sept. 4, 2005.
Sherilyn Claverie of New Orleans walks past a partially submerged car on a flooded street in the city, Monday, Sept. 5, 2005.
President George W. Bush looks out the window of Air Force One over New Orleans on Aug. 31, 2005, to survey the damage from Hurricane Katrina.
New Orleans police and volunteers use boats to rescue residents from a flooded neighborhood on the east side of of the city, Aug. 31, 2005. Hurricane Katrina left much of the city under water. Officials had called for a mandatory evacuation, but many resident remained in the city and had to be rescued from flooded homes and hotels.
Men ride in a boat in high water past Flood Street after Hurricane Katrina devastated the area Aug. 31, 2005, in New Orleans. Devastation is widespread throughout the city with water approximately 12 feet high in some areas.
Floodwaters from Hurricane Katrina cover a portion of New Orleans on Aug. 30, 2005, a day after Katrina passed through the city.
A police officer keeps watch as people walk through flooded streets in downtown New Orleans on Aug. 31, 2005.
Two men paddle in high water in New Orleans Aug. 31, 2005.
One of New Orleans' famed cemeteries is filled with flood waters in the aftermath of Hurricane Katrina, Aug. 31, 2005.
People walk through high water after flooding forced them from their homes Aug. 31, 2005, in New Orleans. Devastation is widespread throughout the city with water approximately 12 feet high in some areas.
People sit stranded on a roof in the aftermath of Hurricane Katrina, Aug. 30, 2005, in New Orleans. It is estimated that 80 percent of New Orleans is under flood waters as levees begin to break and leak around Lake Ponchartrain and the Mississippi River.
Armed police officers patrol the flood waters in New Orleans Monday, Sept. 5, 2005. Water is still high in the area and some rescuers have decided not to bring food and water to those who are determined to stay behind in the hopes that will induce them to leave.