things. so you get the randomness of fire where some homes are chosen, others aren't. the sustained violence and intensity of a hurricane. there's probably nothing worse. that's why we wanted to get up above it to get some perspective of the randomness and just the violence of how this community was torn apart. >> i also heard an extraordinary thing today, that the power of this tornado at one stage, people thought was maybe three times the power of the hiroshima bomb, for example. when you hear statistics like that it gives you some sense of just how extreme the violence is and we saw those images of it sitting for quite sustained periods of time on certain areas, just obliterating everything that was underneath it. >> reporter: absolutely. nothing stands a chance in the path of this type of natural force. you see it on every level here on the ground. the girders behind me from this bowling alley, most of them are an inch thick of solid steel, twisted like a pretzel. yet at the same time, piers, i know this is something you like to pick up on in these