The motifs are actually 240 photo-sensitive motor-controlled apertures, or shutters, which act as a sophisticated brise soleil that automatically opens and closes to control the amount of light and heat entering the building from the sun.
22.
The building was designed in line with sustainable principles and has several distinctive architectural features . " Carefully wrought but nonetheless striking ", the library is formed of a " slightly austere translucent glass box " with an angled brise soleil and tiled side walls.
