Do you remember the post about the 10 most expensive treehouses?
The Free Spirit Sphere was at the position 8. of the most expensive treehouses.
A sphere, like a nest made of fiberglass can be used as a meditation room hanged and surrounded by the trees on 10,5 feet from the ground.
Take a look at the video below, or visit the Free Spirit Spheres‘s website to have more info about.