the water began to change color as well, began going from this bluish color to being very murky. >> even four stories up, zach could hear the roaring river. >> it went from having small debris like trees and other rubbish that was around the harbor and stuff coming in to boats and to vehicles -- to much larger and much more substantial things. >> cars and things coming along -- >> yeah, must have been picked up along the coast. >> that is getting scary, right? >> yeah. >> of course, zach hadn't seen the footage that everybody outside the country had seen, towns wiped off the map, thousands missing. he couldn't know how bad it was. >> did your mind turn at all when you were up here to what's going on down there where georgia is? >> i hoped she would be doing the same thing that i was, that she would be in a safe location. >> a safe location? was there such a thing where georgia was? as the water around him began to