Urban population density according to the prosperity of the city, natural environment, such as air. Water, light and sound soil sewage Changes to the natural balance is missing because of a human tower.
Urban population growth along the city's natural environment such as air, water, soil, sewage, lighting, sound, changing the natural balance because humans have constructed.
Urban population density based on the prosperity of city natural environment such as air, water, soil, light, noise, sewage change to the lack of natural balance, because the human has created the building.