![](https://static.dezeen.com/uploads/2014/12/09_casa_bea_buj_colon_dezeen_sq.jpg)
Plywood staircase by Buj+Colón Arquitectos integrates shelves and cupboards for a small flat
A plywood staircase with built-in cupboards and bookshelves frames a doorway in this Madrid apartment – which follows the London home with a combined bookshelf and staircase we published yesterday. More