." >>> new yorkers rejoice, you all live in a mansion compared to this.warsaw, poland, they are building the thinnest house in the world. at its widest point it is four feet and at the narrowest it is about 28 inches. that means that you are having to live in a space that is about this wide. ♪ it's going to be two stories. on the top level will be the bedroom and the stairs are actually going to go up and down with the touch of a button to become the floor of that first floor. >> man. >> this was actually built as an art installation. no one is actually going to be able to buy and live here, although they are going to open it up to artists and riders, to take up residence. >> this would be where you would stay if you wanted to write edgar allen poe-everything stories. >> where do you put your clotheses? >> under the bed. >> you get hot in that space. >> right this minute we do a lot of skype interviews, right? >> yes. >> we haven't done one like this. [ inaudible ]. >> apparently dina's owner missed her so much, he skyped with her and she had a list of wo