TK 8 - Detail (1).jpg [2/36] Title: TK 8 - Detail (1) Caption: The metaphor, as told by Vidyajnana, begins by comparing the hip-bones to the foundations of the walls of the palace. The vertebral column is like a stack of gold coins. The channel of life, which is the 'black channel' known in western science as the system connected with the aorta, is like a central pillar of the palace made of agate and precious jems.