12 years later: Remembering Hurricane Katrina People walk through high water in front of the Superdome August 30, 2005 in New Orleans, Louisiana. Thousands of people are left homeless after Hurricane Katrina hit the area yesterday morning.Photo by: Mark Wilson 12 years later: Remembering Hurricane Katrina 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 12 years later: Remembering Hurricane Katrina Stranded victims of Hurricane Katrina wait outside the Superdome to be evacuated September 2, 2005 in New Orleans, Louisiana. Thousands of troops poured into the city September 2 to help with security and delivery of supplies in the wake of Hurricane Katrina.Photo by: Mario Tama 12 years later: Remembering Hurricane Katrina A mother and her children are rescued by boat from the Lower Ninth Ward during the aftermath of Hurricane Katrina August 30, 2005 in New Orleans, Louisiana. Katrina made landfall as a Category 4 storm with sustained winds in excess of 135 mph.Photo by: Mario Tama 12 years later: Remembering Hurricane Katrina A woman is carried out of flood waters after being trapped in her home in Orleans parish during the aftermath of Hurricane Katrina August 30, 2005 in New Orleans, Louisiana. Katrina made landfall as a Category 4 storm with sustained winds in excess of 135 mph.Photo by: Mario Tama 12 years later: Remembering Hurricane Katrina Chest deep water dumped from hurricane Hurricane Katrina collects in the street late Monday afternoon on August 29, 2005 in New Orleans, Louisiana. Katrina was down graded to a category 4 storm as it approached New Orleans.Photo by: Chris Graythen