More tiny houses and such

One of the first apartments I found when looking for convertible spaces:

https://www.youtube.com/watch?v=XYV0qATsyts

The interior of the Graf Zeppelin:

http://www.airships.net/lz127-graf-zeppelin/interiors

The interior of the Hindenburg:

http://www.airships.net/hindenburg/interiors

A rather spectacular brochure for travelers:

http://www.airships.net/airship-travel-brochure

A pretty decent introductory website to tiny houses:

http://tinyhousetalk.com/category/floor-plans/

And finally some convertible furniture. I suggest looking at a lot of these, as they are delightful little chunks of applied engineering:

https://www.youtube.com/watch?v=hYa1OL27wsk