The Berlin State Library's priceless treasures The Berlin State Library is home to many treasures: From Ludwig van Beethoven's "9th Symphony" music score to researcher and explorer Alexander von Humboldt's estate. An orange cube: the new reading room Soon, people will once again be able to browse to their heart's content in the spacious reading room, which architect HG Merz designed in a bright orange color. The institution is a historical research and reference library, with little of the holdings digitized. So, if you want to do research, you have to physically visit the site. The domed reading room in the 1930s