Trees are phenomenal. Why?

1. Theory; being in trees, you get increased oxygen and other micr-pollens in the air, which are good to awaken and enliven you?
2. The joy of fractal patterns; The joy in looking at, witnessing fractal patterns which are intuitively enjoyful for us to look at?
3. Depth: Being able to exercise depth perception when looking in nature. Good to exercise our ability to see things really far.
4. There is something about all the great textures and growth patterns of trees which bring us joy and delight?
5. The sound of rustling of trees as very calming and zen for us?