Complex sentence: Over the years JHF managed to save many buildings with historical and heritage significance around the city of Joburg from demolition these includes saving 3 of the proposed 5 buildings to be demolished by the Joburg provincial government.
Split into simpler sentences: Over the years JHF managed to save many buildings with historical and heritage significance around the city of Joburg from demolition. These includes saving 3 of the proposed 5 buildings to be demolished by the Joburg Provincial Government.