These waters, once held by back levees along Lake Pontchartrain to the north, now engulfed thousands and thousands of homes and businesses, many with people trapped inside.

• 这些洪水在遇到庞恰特雷恩湖沿岸背水堤的阻拦之后，掉头向北，现在已经吞没了成百上千的住房及商务楼，很多建筑内还有被困的人群。