The library is completely developed on one single floor. It is a extensive, open landscape of books and book-related activities. However, the induced felxibility and openness does not contradict the precise fitting to specific uses asked by the library. A subtle arrangement of slightly different levels and columns organize space, and a row of closed rooms articulate the library with the street. The arches of the facades indicate a very accessible, open and public architecture. The wooden structure of the compact, yet flexible volume is combined with natural lighting and strong insulation, producing a sustainable architecture in the broad sense.