Introduction to Heifengkou: Heifengkou is a cliff in Dongshigou. It is named after the black wind that often swirls here. In the early years of the Tang Dynasty, Tang Wang Xiao rescued Xue Li and broke through the siege. He shot through the cliff of Heifengkou with three guns and rescued Tang Wang Li Shimin, which made Heifeng famous throughout the ages.
Attraction