plate of which is secured against uplift with a layer of 70,000 tons of iron ore and in which a second, internally ventilated concrete tank is built. In 2001 the reading rooms were retrofitted with a ventilation system. A plot of land opposite the library on Adickesallee was secured for the possibility of a later extension. There are a total of 360 reading room spaces. In the middle of the entrance hall is the sculpture “Armalamor” (1994) by Georg Baselitz. In front of the library is a brick colonnade (1996) by Per Kirkeby. Literature References Sources frankfurt.de: Chronik des Westends External links Homepage der Deutschen Nationalbibliothek 1947 establishments Library buildings 1990s architecture 1950s architecture Buildings and structures in Frankfurt National libraries