Introduction to the Blue Sky Stone Pillar: The Blue Sky Stone Pillar is also known as the Yitian Sword. Tang Liu, a scholar in the Qing Dynasty, once praised the Blue Sky Stone Pillar by saying that "the ax opens the face, and the Jin Dynasty makes one finger of Zen in the world". From here, you can go left through Phoenix Valley to Beauty Peak. In the middle of the peak are Iron Gate Pass, Zangbing Rock and the Eight-inch Line of Sky.

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