水經注

"Waterways" Wei Li Tao Yuan is the Northern and Southern Dynasties writings. From the title, the book is an alternative called "Water" book as a "note." Things Indeed, one of the Three Kingdoms period has been unknown author wrote a book called "Water" book, the content is very simple, the book only more than eight thousand two hundred words, every book written on the river, are is formulaic: origin, simple process, into the sea, a river or into another location. The book "Notes" text over "by the" text 20 times. "Waterways" is a more than three hundred thousand of the giant structure, is an independent classic.