<a href="//commons.wikimedia.org/wiki/New_Orleans" title="New Orleans">New Orleans</a>: 
<p>An intact portion of the <a href="//commons.wikimedia.org/wiki/17th_Street_Canal" title="17th Street Canal">17th Street Canal</a> (notorious for the flooding after <a href="//commons.wikimedia.org/wiki/Hurricane_Katrina" title="Hurricane Katrina">Hurricane Katrina</a>). 
</p><p>View is looking lakewards, half a dozen blocks back from Metarie Road, on the Metairie side of the Canal. 
</p>
Note concrete flood walls atop the levees.
<a href="//commons.wikimedia.org/wiki/User:Infrogmation" title="User:Infrogmation">Infrogmation</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>