The arch of books forms a doorway :)
How to grow a vertical garden
That is so pretty.but mine would fall apart because I would take so many books out of it, it would collapse.
Friendly Giants Built From Recycled Wood Hidden in the Forests of Copenhagen
Upcycled Shipping Container House - Find out how to create one here http://howtobuildashippingcontainerhome.blogspot.com/
Cool And Small House For Students