The levees failed because of bad engineering, not just because K

来源: 于 2015-08-31 12:49:22 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

http://www.vox.com/2015/8/23/9191907/hurricane-katrina

 

Katrina caused the biggest evacuation in US history, but many people couldn't afford to leave