silt, Mississippi. 淤泥， 密西西比河。

(Rogelio V. Solis/Associated Press)
Pictures of the Week: 08.19 – 08.25 2012 | CLIK/HEAR | Multimedia, photography, video showcase of The Palm Beach Post http://clikhear.palmbeachpost.com/2012/potw/pictures-of-the-week-08-19-08-25-2012/