What are the nine customs in the world?
Jiayuguan, Shanhaiguan, Juyongguan, Zijingguan, Niangziguan, Wushengguan, Yanmenguan, Jianmenguan and Youyiguan.
Details:
1. Jiayuguan is located in Jiayu City, Gansu Province, and was once called "the throat of Hexi". A medium-sized industrial city has been built near Guancheng. The streets in the city are open and tidy. The famous Jiayuguan Great Wall is in the northwest, the Qilian Mountain is covered with snow all year round in the southwest, and the Gobi Desert is around the city.
2. Yanmenguan, also known as Xiguan Pass, is located in Yanmen Mountain, about 2 kilometers north of Daixian County, Xinzhou City, China Province. It is an important pass on the Great Wall, and together with Ning Wuguan and Pianguan, it is called "Outer Three Passes". In 21, Yanmenguan was announced by the State Council as one of the fifth batch of national key cultural relics protection units.
3. Juyongguan has been a barrier to the northwest of Beijing since ancient times. In the long years, Juyongguan has always been a military defense center, but its name has changed repeatedly. It was called "Xiguan" in the Three Kingdoms and changed to "Nakuanguan" in the Northern Qi Dynasty.
In the Tang Dynasty, it was called "Jimenguan" first, and then changed to "Military Capital Pass". From Liao Dynasty to Jin, Yuan, Ming and Qing Dynasties, it has been called "Juyongguan".
4. Friendship Pass is one of the nine famous passes in China. On the left side of Guanlou is the wall of Zuobi Mountain, and on the right side is the wall of Youfu Mountain, just like the giant python connecting the foothills of two mountains, which is magnificent.
Friendship Pass is located at the southwest end of Pingxiang City, Guangxi. The terminal of National Highway 322 passes through the arch gate of Friendship Pass and connects with Vietnam Highway. It is an important land passage to Vietnam and a national first-class port, 18 kilometers away from Pingxiang City.
5. Jianmenguan, located 15 kilometers south of Jiange County, Sichuan Province, is located in the fault-fold belt on the northern edge of Sichuan Basin, where the big and small Jianshan mountains are interrupted. Cliffs and cliffs on both sides are like swords, and the two walls face each other like doors, so it is called "Jianmen" and is one of the most famous natural passes in China.
it enjoys the reputation of "the sword gate is dangerous in the world", "the first pass in the world" and "the gateway to Shu". Zhuge Liang once built a 3-mile plank road here and set up a guard, which was called "Jiange". Li Bai, a poet in the Tang Dynasty, praised though Dagger-Tower Pass be firm and grim, and while one man guards it, and ten thousand cannot force it in Shu Dao Nan, which made Jianmenguan famous in the world.
6. Shanhaiguan. Shanhaiguan is an important part of the Great Wall. The existing Shanhaiguan Guancheng and the nearby Great Wall, castles and piers are all buildings of the Ming Dynasty.
According to historical records, in the 14th year of Hongwu in the Ming Dynasty (AD 1381), Xu Da, the general of Wei Guogong, saw here that "the Jin Mountain was resting on the sea, and the throat of Liaoji was actually moved to this place", so he built a pass and set up a guard. "Shanhaiguan" is named after being shut between mountains and seas.
7. Wushengguan, located in the north of Guangshui City, Hubei Province, is one of the nine famous customs in Chinese history. It was called Zhiyuan and Lishan in the Spring and Autumn Period, changed to Wuyangguan after the Qin Dynasty unified China, and changed its name to Wushengguan in the Southern Song Dynasty.
Jigong Mountain in Xinyang, Henan Province is located at Wushengguan Pass, one of the nine famous passes in China. It is known as a treasure trove of geomantic omen. Geologically, it is the east-west junction of Tongbai Mountain and Dabie Mountain Range in the eastern part of Qinling Folding Mountain System, the geographical midpoint of China and the watershed of China.
8. Zijingguan, located on Zijing Mountain, 45km northwest of Yixian County. "Jifu Tongzhi" said: "The danger of controlling the western hills is the upper reaches of Yanjing Road, which leads to Xuanfu and Datong. Located between Juyong Pass and Daoma Pass, it is called "Inner Three Passes" together with Juyong and Daoma Pass. Zijingguan is one of the important entrances to Taihang Mountain.
9. Niangziguan, which has always enjoyed the reputation of "and while one man guards it and ten thousand cannot force it", was built in the Warring States Period. Because it is the southern end of the "Neisanguan Great Wall" of the Great Wall, it is called the ninth pass. It is located in Shanxi Province. Unlike Badaling Great Wall, Niangziguan is influenced by the local terrain, which is dangerous and strange.