This home is a smart folding roof cool mix of old and new. The unusual house designed by Austrian architecture firm Architekten X offers a mix of modern glass and steel, giving the house its aesthetic characteristics. Adding the steel house of the existing structure has a roof folding and cutting continuous facade, naturally resistant and rust, of course, the unique structure unlike more traditional. The hill offers this house plan pending a clear distinction between the original and modern residence, but the two are connected by a porch wrapping and, of course, folded steel that unifies the whole. The interiors are flooded with natural light through skylights and large glass everywhere.