secret room IN the stairs! I need a secret room somewhere in my house. So have the secret room under the stairs, but to actually make it secret, don't put the door under the stairs, put it in the stairs.
Mobile home. On the road, it measures m by m, and once it has arrived at its destination its floorspace can be increased threefold in a matter of seconds. "De Markies" was awarded the Public Prize at the Rotterdam Design Prize