Introduction to Wu Niu Ancient Stone: Wu Niu Ancient Stone On the hill opposite the cinnabar rock, there is a huge pale black stone, like a buffalo. The moss is the hair of the cow, and the vines penetrate the nose of the cow, lying on the hill. This black cow is the green cow that the Supreme Master Li Laojun rode when he passed the Hangu Pass. Li Laojun passed the pass, attained the Tao, and ascended to heaven. This cow has no When I returned home, I ran to Sikong Mountain!
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