OFFLINE

A levee pro­tects a home sur­rounded by flood­wa­ter from the Yazoo River on May 18, 2011 near Vicks­burg, Mis­sis­sippi. The flooded Mis­sis­sippi River is forc­ing the Yazoo River to top its banks where the two meet near Vicks­burg caus­ing towns and farms upstream on the Yazoo to flood. (Scott Olson/​Getty Images).