Complex sentence: Plan area, which is located roughly 3 km from the middle-class and prosperous neighbourhoods in the area, which is a reflection of an unequal distribution of wealth in the burgeoning Bintulu.
Split into simpler sentences: Plan area, which is located roughly 3 km from the middle-class and prosperous neighbourhoods in the area. This can be seen as a reflection of an unequal distribution of wealth in the burgeoning Bintulu.