Introduction to Yunlong Bridge: Yunlong Bridge is the only building on the Grand Gorge River and the only way to climb mountains. It is one of the symbols of Xinglong Mountain. It is a gallery-style wooden arch bridge with a wooden bow shape, 155 meters long and 155 meters wide. 3 meters high, exquisite and exquisite, like a rainbow spanning a mountain stream. There are 7 corridors on the bridge. There is a pavilion at both ends of the bridge. It is a building with four corners on the top of the mountain. The corridor is decorated with carved beams and paintings, and the roof of the corridor is covered with glazed tiles. A striking couplet is engraved on the bridge head: "There are more clouds than Mount Tai, and the rain brings joy to all living beings; when a dragon enters the vast ocean, it brings aura of green mist to the mountains."