minimalism rooftop shot a library in the citypark forest the facade has glass curtain walls with slits in reinforced concrete columns it s a relatively large building and you can see various places and bookshelves behind the glass the roof has natural shell made of wood a library in the citypark forest the facade has glass curtain walls with slits in reinforced concrete columns it s a relatively large building and you can see various places and bookshelves behind the glass the roof has natural shell made of wood the roof is a smooth unobtrusive shell with glass between the shells architecture