To the Chinese the dragon is not an evil creature, but is a god and the friend of men who worship him. He "holds in his power prosperity and peace." Ruling the waters and the winds, he sends the good rain, is hence the symbol of fecundity. In the Hsia dynasty two dragons fought a great duel until both disappeared, leaving only a fertile foam from which were born the descendants of the Hsia. Thus, the dragons came to be looked upon as the ancestors of a race of heroes. This is the story of China at War.