The Oslo City Hall houses the City Council, City administration, and art studios and galleries. The construction started in 1931, but was paused by the outbreak of World War II, before the official inauguration in 1950. Its characteristic architecture, artworks, and the Nobel Peace Prize ceremony makes it one of Oslo's most famous buildings. It was designed by Arnstein Arneberg and Magnus Poulsson.

It is situated in Pipervika in central downtown Oslo. The area was completely renovated and rebuilt to make room for the new City Hall, back in the late 1920's.

In June 2005 it was named Oslo's "structure of the century", with 30.4% of the votes.

Nobel prize for peace is given to the winner on 10th of December each year in Oslo city hall.

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For great choice of cactus and other plants visit here: www.cactusplaza.com - that's my friendly nursery which sells online:)