If you can picture sort of a soup bowl, the city is located...

If you can picture sort of a soup bowl, the city is located in the middle. And once the levees sort of the perimeter of the bowl are breached or overtopped, then that water gets in there and just can't get out.... It's like filling a bucket up with water. This is probably the worst-case scenario that we've all been very, very worried about for quite some time.