Animal Spirit House at Khao Yai National Park - The purpose of the spirit house is to provide an appealing shelter for the spirits or celestial beings who would otherwise reside in the heavens, Find a place in large trees, or in caves, cliffs. waterfalls or other natural surroundings. According to folklore, the spirits themselves are either good or evil, but most are just finicky and mischievous, demanding respect from humans and capable of disastrous interferences if they don't get their way, The spirit of the land, for example. expects to be informed when a human intends to start a business or engage in improvements to an existing business. If the spirit is not informed, and if the human does not respectfully request permission, the spirit can indeed cause the venture to fail.