Introduction to Qinglong Pass: Qinglong Pass is located on the ridge of East Qinglong Mountain and is the only gateway to the scenic spot. The construction of Qinglong Guanguan Tower started in March 2000 and was completed in October 2001. The Guan Tower was designed by Mr. Li Chuanze, a famous ancient architecture expert in Henan Province. The total height is 18 meters, and the door height and width are 6 meters each. The majestic appearance is the most majestic door in the country. The three characters "Qinglongguan" are composed of the calligraphy of Mr. Yu Youren, a famous modern calligrapher.