Chinese name: Cunninghamia lanceolata Dam is located 7 kilometers north of Longfeng Town, Enshi. Remarks: I am a resident of the ninth district (Cunninghamia lanceolata) in Enshi County. Geographical location, history and geographical location Cunninghamia lanceolata Dam is located 25 kilometers north of Enshi City and 7 kilometers away from Longfeng Town. It is a well-preserved historical old street in Enshi City. It is said to be ancient because there was a Chinese fir dam street before the construction of Longfeng Dam, a major town in the north of Enshi in the late Qing Dynasty and the early Republic of China. The Qing Tongzhi edition of Enshi County Records contains: "Beixiang Chicken Farm 6: Xiaolongtan, Jinlongba, Malong Village, Cunningham, Sobuya and Taiyanghe." In the meantime, there is a Chinese fir dam, but there is no Longfeng Town. The market is a rural market. During the Ming Dynasty and the early Qing Dynasty, Jianshi County, which was adjacent to Enshi, was under the jurisdiction of Sichuan, and Taiyang River, which was adjacent to Enshi and Jianshi, was also adjacent to fengjie county, Sichuan. When the two places entered Shizhou City in the Ming Dynasty and Funan City in the Qing Dynasty, they had to pass through the fir post road. Therefore, Jiugen Tree in Baiyangping Township, Enshi City has a post station, not far from Cunninghamia lanceolata Dam. Cunninghamia lanceolata has also become the gateway and pass to the north of Mingshi Prefecture and Qingshi Nanfu. The Tongzhi edition of Enshi County Records in Qing Dynasty contains: "The gateway to the north is Guaner Zichuan: Cunninghamia lanceolata and Malong Village." Because of this special geographical location, the Chinese fir dam has always been valued by the government, and officials often patrol it. After visiting Cunninghamia lanceolata Dam in Enshi County in Qing Dynasty, Tang wrote a poem entitled "Returning to Cunninghamia lanceolata Village Road at Night": "There are several families running in a half ditch, and the Cunninghamia lanceolata is green and the sun is setting. There is no spring in the empty mountain, and a flower blooms all over the partition wall. " Because of this, Cunninghamia lanceolata Street was formed very early, with a length of 200 meters and a width of 3 meters. There are rows of wooden houses on both sides, hotels and shops are adjacent, and two tall temples in the middle, Wenchang Palace and Wusheng Palace, stand shoulder to shoulder. Every morning, the bells and drums are ringing, cigarettes are lingering and the sound is constant. On the third, fifth, seventh and ninth days of the lunar calendar, businessmen and villagers gather in the street, which is very lively. The real fame of Chinese fir dam comes from the local Yin family. Yin's ancestors moved from Jianli, Jingzhou in the third year of Yongzheng (1725). By the end of the Qing Dynasty, the population was prosperous, and the Yin and Yin literati were born in Tongzhi and Guangxu years. Yin successively served as the director of Jiangxi Department of the Ministry of Punishment, and served as Dr. Zhong Xian in Meizhou, Zizhou and Maozhou in Sichuan, and was promoted to Senior Minister and Dr. Rong Lu. Yin's eldest son, Yin, is a native and serves as an alternate censor in Guizhou. The second son, Yin, entered imperial academy as a scholar, and later served as an alternate suggestion in Zhili. Sun Yinyuanyi and Yin are both scholars who studied in Japan after the abolition of the imperial examination in the late Qing Dynasty. After returning home, Yin became the second minister of Beiyang Ministry of Finance and founded the first stock exchange in China. Yin's sister Wang Lian (with her husband's surname) also studied in Japan and studied painting at Tokyo Women's Technical School. She was the first female student in Enshi to study in Japan in the late Qing Dynasty and participated in the flag design of the Revolution of 1911. Because of Yin's outstanding contributions, his grandfather Yin Qichen and his father Yin Bingchang are grandfathers, and his grandmother Liu, his mother Hu and his stepmother Wang are concubines. In Qing dynasty, the official hat was called "T-shaped", and Enshi had the saying that "Chinese fir produced a T-shaped", referring to the Yin family. In the Republic of China, the political status of Shanmuba Old Street was upgraded, and it became the resident of fourth area, Enshi County. In the early days of the People's Republic of China, it was the resident of nine districts (Cunninghamia lanceolata) in Enshi County. 1954 Chinese fir area merged with Longfeng area, and Chinese fir dam was changed to township. 1958 Cunninghamia lanceolata commune belongs to Longfeng District (renamed Lighthouse District). 1975, Cunninghamia lanceolata Commune was changed into Cunninghamia lanceolata Management Zone through "merger zone", which was still under the jurisdiction of Longfeng Commune. Now he is a resident of an administrative village in Longfeng Town, Enshi City. With the extension of time, the old appearance of Cunningham Old Street has been seriously damaged, but some ancient traces have been preserved: the street has not been rebuilt and expanded, except that some wooden houses have been changed into reinforced concrete structures, and the streets paved with stone slabs are still intact; Yin's top scholar's big house is preserved, with three entrances before and after, all-wood structure, red walls and tiles, and antique; Wusheng Palace kept a wall and a stone tablet embedded in the wall; The surrounding tombs are magnificent, with towering stone tablets and exquisite sculptures. From the inscriptions, we can know that the civilization of Cunningham Dam has a long history of development and construction, especially the well-preserved Yin tombs and tombstones, which are excellent physical materials to witness the history of Cunningham Dam. Protect these historical relics, and the old street of Cunninghamia will be a good place for sightseeing.