NEW ORLEANS - AUGUST 28: New Orleans residents sit in the Superdome, which is being used as an emergency shelter, before the arrival of Hurricane Katrina August 28, 2005 in New Orleans, Louisiana. Hurricane Katrina has sustained winds of 175 mph and is expected to make landfall in the Gulf Coast as early as August 29. Katrina killed at least seven when it moved through Miami-Dade County in Florida. (Photo by Mario Tama/Getty Images)
