Bibliothèque Nationale de France – Richelieu

This library has a large windows space on the center of the top. It using the natural energy to support whole library. And all books are in the shade that created by wall, so the shade will protect  books from sunlight.

Seattle Public Library

Similar idea with first library, but it using facade to control sunlight.

Shiba Ryotaro Memorial Museum

super large wall for book, and use wood color materials inside building. This color makes people’s eyes feel more confortable.