Illustrations of P’an-Ku represent him in the company of supernatural animals that symbolize old age or immortality, viz., the tortoise and the crane; sometimes also the dragon, the emblem of power, and the phoenix, the emblem of bliss. When the earth had thus been shaped from the body of P’an-Ku, we are told that three great rivers successively governed the world: first the celestial, then the terrestrial, and finally the human sovereign. They were followed by Yung-Ch’eng and Sui-Jen (i.e., fire-man) the later being the Chinese Prometheus, who brought the fire down from heaven and taught man its various uses.