|Standing on the levee|
We all know that New Orleans flooded when the levees broke after Hurricane Katrina in 2005. In case you've never been able to visualize what the levee looked like, here's a picture. It's not all that wide, and wasn't as tall as I'd expected, or at least, not as tall as I'd expect something to be if it was intended to hold back hurricane floods.
This picture is taken in the Lower 9th ward, which was one of the most severely damaged areas. The locals say a barge plowed through the wall, creating a huge hole that let the storm surges through. The grassy area in the background used to be a neighborhood of houses.