Introduction to the Book from the Cliff: The "Book from the Sky" is the most distinctive landscape of Yitian Gorge. There is a flat cliff face on the huge cliff of the canyon. There are ravines and ravines on it, which are covered with cracks and cracks. It looks like the strokes of Chinese characters and the bells and tripods. Patterns are known as the "heavenly books" that are most difficult to decipher.
Attraction