Latticed trunks of ficus trees make ideal walls for all kinds of houses, including private hideaways for kidlets.
Fab Tree Hab growing plan
An idea of the growing process for the Fab Tree Hab
Fab Tree Hab Cross Section
A cross-section look at the <a href="http://www.archinode.com/fab-tree-hab.html">Fab Tree Hab</a> living tree house.
The "eschenhaus" project was started in 1993, when 1350 European ash trees (Fraxinus excelsior) were planted to create the house's framework. The house now boasts 5 rooms around a central courtyard, all interconnected.