Why should be higher than the road surface and should not be lower than the road

Only the height of the mountain, can set off horizon;Only the broad Lin, can match his breast.The terrain of the residence is one of the most important feng shui knowledge since ancient times, is also one of the necessary condition to select good feng shui.Are now mostly in the city high-rise buildings, the ground is too low surface usually does not affect the top to feng shui, but if there is a strong sound and light pollution, the invisible ShaQi still has a bad effect on high-rise residential.Main is easy to form the disadvantages of low ground water and the influence of gas flow, but if you open a shop is another matter.