Prechteck’s design for the extension of the National Library of Austria located at the Hofburg in Vienna contains a number of cultural facilities including a 1200sqm underground core exhibition hall, a smaller 600sqm multifunctional hall, creative studios, a restaurant, and shops.

The design is to be seen as an extension of the bordering park and takes off at its north-west end to cross over the fire / drop-off lane with a twist that after crossing arches back to the ground level to melt into the landscape. All the  facilities are housed in one seamless structure, creating at each point a different spatial experience towards the Hofburg and directing its visitors intuitively to the foyer and to the different programs.