Katrina Decade: Images of an Altered CityIn the ten years since Hurricane Katrinas storm surge overwhelmed New Orleanss levee system, the catastrophe has lived in the public imagination as a parade of dramatic images. Often overlooked are smaller, more gradual changes. For years, David G. Spielman has documented these inconspicuous changes, in haunting images whose simplicity evokes the work of the Farm Security Administration photographers Walker Evans, Dorothea Lange, and Gordon Parks.