A retrospective in photos : The Picture Show : NPR

Water surrounds homes in the devastated 9th Ward in this aerial view of damage from Hurricane Katrina in New Orleans on Aug. 30, 2005.

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Mark Benton (R), of Louisiana Department of Wildlife and Fisheries, helps to rescue young family members after they were trapped on a school rooftop with dozens of others in high water after Hurricane Katrina on Aug. 30, 2005 in New Orleans. Katrina made landfall as a Category 4 storm with sustained winds in excess of 135 mph.

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Residents are rescued by helicopter from the floodwaters of Hurricane Katrina on Sept. 1, 2005 in New Orleans.

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President George W. Bush (Center), New Orleans Mayor Ray Nagin (Right), Louisiana Gov. Kathleen Blanco (2nd Left) and Vice Admiral Thad Allen (Left) tour through an area of New Orleans, where the flood waters recently receded on Sept. 12, 2005. Entire neighborhoods were still stewing in a quagmire of mud and foul floodwater that in some cases almost reach up to rooftops. Some suburbs had been obliterated and the death toll, though lower than feared, still climbed steadily.

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Kathy Smith, who chose not to evacuate the area because she learned she couldn’t bring her cats along, stands in front of her home in the flooded 9th Ward neighborhood of New Orleans. As the city evacuated, already traumatized victims of Hurricane Katrina made a choice: Head for safety or stay behind with a beloved pet.

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Water spills over a levee along the Inner Harbor Navigation Canal in the aftermath of Hurricane Katrina on Aug. 30, 2005 in New Orleans. It is estimated that 80% of New Orleans is under flood waters as levees begin to break and leak around Lake Pontchartrain.

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Floodwaters from Hurricane Katrina fill the streets near downtown New Orleans, on Aug. 30, 2005.

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In this Aug. 30, 2005 file photo, rescue personnel search from victims as they traverse the New Orleans 8th Ward in the flooded city of New Orleans.

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Mark Benton, of Louisiana Department of Wildlife and Fisheries, helps to rescue 3 month old Ishmael Sullivan from a school rooftop after he and his mother were trapped with dozens of others in high water after Hurricane Katrina Aug. 30, 2005 in New Orleans.

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National Guard trucks haul residents through floodwaters to the Superdome after Hurricane Katrina hit in New Orleans on Aug. 30, 2005.

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Quintella Williams feeds her 9-day-old baby girl, Akea, outside the Superdome in New Orleans, on Sept. 1, 2005 as she awaits evacuation from the flooded city. Shots were fired and a near riot erupted at the arena as thousands of displaced refugees who had taken shelter there after Hurricane Katrina fought to board the buses for the Astrodome in Houston.

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Victims of Hurricane Katrina are shown outside the Louisiana Superdome as they wait for evacuation, on Sept. 1, 2005, in New Orleans.

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Terri Jones tries to cool fellow Hurricane Katrina flood victim Dorthy Divic, 89, who was overheated and exhausted at the Convention Center on Sept. 1, 2005 in New Orleans.

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In this U.S. Coast Guard handout, U.S. Coast Guard Petty Officer Scott D. Rady of Tampa, Fla., gives the signal to hoist a pregnant woman from her apartment in the aftermath of Hurricane Katrina on Aug. 30, 2005 in New Orleans. According to the Coast Guard, they rescued 11 survivors from the apartment building.

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President George W. Bush looks out over devastation from Hurricane Katrina as he heads back to Washington D.C. Aug. 31, 2005 aboard Air Force One.

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A military helicopter drops a sandbag as work continues to repair the 17th Street canal levee in New Orleans, in the aftermath of Hurricane Katrina, on Sept. 5, 2005. After Hurricane Katrina’s monster storm surge roared ashore, Corps-constructed levees and floodwalls failed near Lake Pontchartrain and along the Lower 9th Ward, inundating most of the city.

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