Complex sentence: In 1906 Vigeland proposed a chalk model for a monumental fountain which, according to the initial will of the Oslo municipality, was to decorate Eidsvolls plass, the square in front of the Parliament of Norway.
Split into simpler sentences: In 1906 Vigeland proposed a chalk model for a monumental fountain. Initially, the idea of the Oslo municipality was to put the fountain in Eidsvolls plass, the square in front of the Parliament of Norway.