The new bedroom is reached at the end of a new hallway, where you step through the exterior wall, leaving the existing (old) house, and onto a glass floor beneath a slot skylight between the old house and the new addition. King describes this as "an ephemeral interpretation of an Japanese engawa — no longer inside, yet not outside."  Photo 3 of 8 in How They Pulled It Off: A Massive Sculptural Skylight

How They Pulled It Off: A Massive Sculptural Skylight

3 of 8

There is a slot skylight between the old house and the new addition. King describes this as "an ephemeral interpretation of an Japanese engawa—no longer inside, yet not outside."