Complex sentence: Old Sydney Showground at Moore Park was the site of the Sydney Royal Easter Show in New South Wales, Australia from 1882 until 1997, at which time it moved to the new Sydney Showground at Homebush Bay built for the Sydney 2000 Olympics.
Split into simpler sentences: Old Sydney Showground at Moore Park was the site of the Sydney Royal Easter Show in New South Wales, Australia from 1882 until 1997. It was moved to the new Sydney Showground at Homebush Bay, which was built for the Sydney 2000 Olympics.