Classic of Mountains and Seas says "On the southern slope of the Country of Green Mountains there is a great deal of jade while on its northern slope there are rich deposits of dark cinnabar. There is an animal that looks like a fox and has nine tails. It makes a sound like a crying baby and it may eat human. Whoever eats it, he will be free from the plague of a malign force. In addition, there is a bird called guanguan which looks like a turtledove. It makes a sound like those who are ...