After Hurricane Katrina devastated New Orleans in 2005, its new flood infrastructure is tested by Hurricane Isaac almost exactly 7 years later.
Hurricane Katrina revisited
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The Army Corps of Engineers was given about $14 billion to improve flood defenses after Katrina. The corps says the city is ready to handle a storm that experts say would resemble a Category 3 hurricane. (AP Photo/Gerald Herbert)
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The Army Corps of Engineers has built a new flood prevention system to protect New Orleans. (US Army Corps of Engineers photo)
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Lower 9th Ward lifelong resident Lawrence Lucas rebuilt his son's home adjacent to a relative's recently-reconstructed house. He says many elderly people who fled Katrina have not returned. Michael Lipin/VOA, Sept. 23, 2011)
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View of the Lower 9th Ward side of the reconstructed Industrial Canal floodwall, looking north. (Michael Lipin/VOA, Sept. 23, 2011)