Fairy Tale Structure and Origin

In this new millennium, fairy tales are flourishing. The children's sections of libraries and book shops are bursting with beautiful editions of well-known fairy tales, with exotic, vivid illustrations. Their collections are worldwide: Russian, German, Japanese, Chinese, Persian, Scandinavian, African, Australian, North American, Yugoslavian, British, and more. To have survived over the ages, the traditional fairy tales must have very strong and special genes -- mere entertainment is very short lived. What is the secret of their longevity?