Green waterfall to the line of sight of the shelter, giving space a continuous and profound artistic conception, attractive to find behind the curtain of Holes. Louis Kang argues that the “Mystique” of Shadows is also closely related to evoking silence and awe, and that while darkness evokes unseen uncertainty and potential danger, it also evokes a deep sense of mystery. In the hands of an architect, evoking silence, mystery or drama with light and shadow-creating a“Treasure house of shadows,” a“Sanctuary of art.”.