A levee is fortified against the Midwest floods outside of Hannibal, Missouri in this June 19, 2008 file photo. This photo accompanies the USA/FLOODING piece by Nick Carey on his impressions of people he met as they fortified levees, organized flood responses, and coped with the U.S. Midwest floods. To match USA/FLOODING REUTERS/Nick Carey/Files (UNITED STATES)
REUTERS/STAFF