The location is an ancient temple garden which was abounded 230 years ago by unknown reasons. It's then been overgrown by trees and vegetation. Ghosts and spiritist of former monks and other people that lived at the temple is now dwelling here. Their ectoplasmic bodies and shapes are now roaming around the forest and fertilizing the tress with their powers making them into artifacts of nature. These esoteric creatures have the abilitets to change bodies once a tree reached it's highest spiritual form. They are then praising it forever. The video depicts this evolution.