NPR新闻的黛比·阿里报道，这是为了取代7年前因卡特里娜飓风而失效的断裂系统。
NPR's Debbie Ali reports it's meant to replace the fractured system of levies that failed during Hurricane Katrina's 7 years ago.
NPR新闻的黛比·阿里报道，这是为了取代7年前因卡特里娜飓风而失效的断裂系统。
NPR's Debbie Ali reports it's meant to replace the fractured system of levies that failed during Hurricane Katrina's 7 years ago.
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