The survivors would learn that they had made it through the worst kind of tornado -- and that it had destroyed more than 900 homes .
Almost every one of Greensburg 's residents could look up from their basements and see the sky .
The survivors would learn that they had made it through the worst kind of tornado -- and that Greensburg had destroyed more than 900 homes .
Almost every one of Greensburg 's residents could look up from their basements and see the sky .