The map illustrates the change of Bell Hill from a Farm in 1976 to the Environment Centre since 2006.
Overall, most of place around the farmhouse is the place where taken care of many animals and vegetables and used vehicles of farm machinery. Since 2006, most animals and place planted vegetables and vehicles from the past has change to modern vehicles or the place were studied of children and students.
Firstly, a rounded the farmhouse most of places where plants some vegetables, a voice of storage and take care of cow sheds and chickens. Because people made farming and livestock farming so almost space for farming and planted vegetables.
Secondly, most of things around the farmhouse have been changed to modern things. For example, storage changed to parking, place planted vegetables changed to multimedia room. Moreover, people have build some student housing and recreation a rounded the farm house since 2006.