Complex sentence: The park was closed down in 1986, having become rather run-down and neglected, with the buildings and fixtures being cleared and the land used at first for a public house called "The Olde Colonial", then "Bar Max".
Split into simpler sentences: The park was closed down in 1986, having become rather run-down and neglected. The buildings and fixtures were cleared and the land used at first for a public house called "The Olde Colonial", then, at a later date, "Bar Max".