Thirdly, from the perspective of environmental geomantic omen, living flowers, fruits and trees can increase oxygen in the air, but the dead can't. So the dead Toona sinensis bud tree in front of the door can't increase oxygen.
4. From the perspective of geomantic ecology, living flowers and trees can make the ecology full of vitality, and vice versa. Therefore, dead buds reduce the ecological vitality.
From the perspective of feng shui psychology, living flowers and trees can improve and induce people's psychological excitement, while dead Toona sinensis leads to people's psychological loss.