Complex sentence: On September 1,2007 the new Circle-Vision 360 film debuted at the Canada Pavilion in Epcot, made in part by a 7 year campaign by the Canadian Tourism Commission due to a steady stream of complaints over the years about the dated representation of Canada.
Split into simpler sentences: On September 1,2007 the new Circle-Vision 360 film debuted at the Canada Pavilion in Epcot. The commission has had a steady stream of complaints over the years about the dated representation of Canada.