Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)Oslo City Hall (Arnstein Arneberg and Magnus Poulsson, 1931-50)