and it depend. if you have another hurricane. hurricane katrina and rita caused 200 square miles to disappear. >> 200 square miles. >> for some one that doesn't follow this. why is that important? what is the coastal land there? >> you have got this basically, this pillowen front of the levee system. that stretches out for miles. and so, it reuses the storm surge. in the wetlands. what the state plan is to put the wetlands back in specific areas to protect the levee system. along with ridges as well. along with a, a regrown cypress forest on the eastern side of the city that will help reduce the storm surge. >> mark, appreciate all of your reporting. thank you. so great to see you. >> thank you. >> thank you. >> just ahead one man's inspiring journey from despair to hope. russell gore, he lost his wife in katrina. then nearly lost his will to