The National Technical Library (Národní Technická Knihovna or "NTK" in Czech) is located at Technická 6 in Prague 6 and also houses the Municipal Library. The former site of the National Technical Library was the Klementinum, from which all books and materials were moved to the new library after completion of construction. The building was designed by architects Roman Brychta, Adam Halíř, Ondřej Hofmeister and Petr Lešek of Projektil Architekti after winning first prize in an architectural competition held in 2000.[1] Building construction started in 2006 and was completed in January 2009. The library opened to the public on 09 September 2009 and hosts the most extensive collection of Czech and foreign documents in the field of technology and applied natural and social sciences related to technology in the Czech Republic.[2] It's user-friendly design philosophy has been described as a "hi-tech living room for students" by the institution's Director Martin Svoboda.[3]