Exceptional examples of the bourgeois architecture of the later periods were not restored by the communist authorities after the war or were remodelled into a socialist realist style (like Warsaw Philharmonic edifice originally inspired by Palais Garnier in Paris). Despite that, the Warsaw University of Technology (Polytechnic) building (1899–1902) is the most interesting of the late 19th-century architecture. Some 19th-century industrial and brick workhouse buildings in the Praga district were restored, though many have been poorly maintained or demolished. Some of the important landmarks lost are the Saxon Palace and the Brühl Palace, the most distinctive buildings in prewar Warsaw.