<blockquote>Q4 Architects created a safe space within a home instead of a shelter underneath it, a kind of house inside of a house. The result is an idea that could be replicated anywhere in tornado alley: A highly indestructible 600 square-foot core of concrete masonry, hurricane shutters and tornado doors where a family could survive a tornado and live beyond it, with several more flexible (and affordable) rooms wrapped around it.</blockquote>
via <a href="http://holykaw.alltop.com/home-design-that-can-stand-up-to-a-tornado">Home design that can stand up to a tornado - Holy Kaw!</a>.