Complex sentence: The Roslyn Oxley9 Gallery is a private art gallery in Sydney, Australia, notable for representing significant Australian artists, and as the site of the controversial 2008 exhibition of nude photographs by artist Bill Henson, during which photographs were removed by police.
Split into simpler sentences: The Roslyn Oxley9 Gallery is a private art gallery in Sydney, Australia, that represent Australian artists. In 2008 it was the site of an exhibition of photographs by artist Bill Henson, during which photographs were removed by police.