Complex sentence: Considerable restoration has been accomplished at Fort Queenscliff in recent years, including the recovery and refurbishment of some of the original guns, the restoration of historic buildings and the development of a comprehensive indoor display and archival centre.
Split into simpler sentences: Considerable restoration has been accomplished at Fort Queenscliff in recent years. Including the recovery and refurbishment of some of the original guns, the restoration of historic buildings and the development of a comprehensive indoor display and archival centre.