This could solve my "What To Do In A Zombie Apocalypse" dilemma. Features movable parts and folds in on itself completely at the end of the day to seal against outside threats. The Safe House has just one entrance, on the second floor, connected by a drawbridge. For extra security, after crossing the bridge, visitors must wait in a safety zone before being let into the rest of the house. During the day, the house opens onto a garden and the movable walls change position to create a courtyard.