There is a rockery behind the house, but what words should be used to show that it is backed by a mountain?

The specific placement of the rockery feng shui is as follows: 1. The rockery is placed in the west: it will be more auspicious if it can cooperate with trees and prevent the sun from shining. 2. The rockery is placed in the northwest direction: the northwest direction, and the rockery is set as Daji. The magnificent pattern should be accompanied by trees. 3. The rockery is placed in the northeast direction: the northeast direction, and it doesn't matter if there is a rockery. It's the life's core monuments location of the mountain. 4. The rockery is placed in the north: it is auspicious to set the rockery in this direction. It doesn't matter if the terrain is higher. It is appropriate to cooperate with the trees. The trees should not be too close to the house, let alone open the windows.