ADVANCE FOR USE FRIDAY, AUG. 21, 2015 AND THEREAFTER - This combination of Aug. 30, 2005 and July 29, 2015 photos shows downtown New Orleans floolded by Hurricane Katrina and the same area a decade later. New Orleans has grown since Katrina but is still smaller than before the storm. Estimated population in 2014 was 384,320 compared to 494,294 in 2005. In 2014, the city climbed back into the nation's 50 most populous cities for the first time since Katrina. (AP Photo/David J. Phillip)