Pakistani men throw a bag of flour onto a pile behind a U.S. Army CH-47 Chinook helicopter that arrived to deliver humanitarian assistance and help with the evacuation of flood victims in the Swat Valley of Pakistan during the flood disaster recovery effort in Khyber Pakhtunkhwa province Aug. 11, 2010.
(U.S. Army photo by Staff Sgt. Horace Murray). Original public domain image from Flickr