Working in the Great Wall, can I change to another department?

Yongqing county, Hebei province, located between Beijing and Tianjin, was the border between Song and Liao during the Northern Song Dynasty, and was once the ancient battlefield where Song and Liao fought for years. Yang Jiajiang, widely told among the people, once fought here, leaving many touching legends. Among the 55 villages built during the Song Dynasty in the county, there are Laojuntang, Tartars Camp and Hantai ... * * * The village names of 36 villages are related to the Song and Liao Wars. According to records, the Liao State established by the Northern Song Dynasty and the Qidan nationality, and the Jin State established by the Jurchen nationality fought for years, which lasted for 2 years. At that time, there was no danger in Ma Pingchuan, a plain in North China. How could "Weak Song" and "Strong Liao" confront each other for 2 years? With the unveiling of the ancient warfare that has been sleeping underground for thousands of years, people gradually understood that "tunnel warfare" had been widely used in the military at that time. The ancient warfare road crisscrossing 3 square kilometers in Yongqing is called "the underground military spectacle that has been sleeping for thousands of years" by historians and military scientists. How to rediscover the ancient warfare? Yongqing County, Hebei Province, is located between the Beijing-Tianjin-Baoding Triangle, 6 kilometers away from Beijing and 6 kilometers away from Tianjin. The county was founded in the first year of the Western Han Dynasty (26 BC) as Yichang County, and was later changed. In the first year of Tang Tianbao (AD 742), it was named Yongqing by Li Longji, Emperor Xuanzong of the Tang Dynasty. Walking 5 kilometers north from Yongqing County is the ancient battlefield where the Northern Song Dynasty confronted the Liao armies more than 1 years ago. "The trowel pierces the bone and scares the sand into the surface. The subject and the object are fighting each other, and the mountains and rivers are dazzled ... The corpse fills the shore of the giant port, and the water of the Great Wall is full of blood, which is neither expensive nor cheap ... "Now, we can only imagine the tragic scene of the two armies fighting on the ancient battlefield through written records. As a military project at that time, the ancient warfare, which played an important role in the confrontation between the two armies, was buried and slept for thousands of years without being known. Yongqing ancient warfare in the summer of 1948, Yongqing was flooded. Located 12 kilometers southwest of the county seat, Wawu Xinzhuang Village has become a water country. When the villagers were panicked and exhausted, they suddenly heard a loud noise, and then all the floods in the village flowed to the northwest, and there was no water in an instant. Bold villagers came to the northwest corner of the village and saw a huge hole. "Cave, cave, water flows into the cave!" At this time, people understand the reason why the water disappeared after the loud noise. In 1951, a household suddenly collapsed in Nanguan, 2.5 kilometers south of the county seat. The surprised householder didn't dare to say anything, so he covered the hole with wooden boards, burning incense and praying to the Buddha all day long, praying for the blessing of the gods. As the saying goes, there is no windtight wall in the world, and the news that Nanguan found the tunnel still spread like wildfire. After the "anti-rightist struggle" began, some people thought that there were "class enemies" in the cave. At the request of the county leaders, Li Jingtai, then the county government staff and later the director of the county statistics bureau, took a gun, dagger, chalk and candles and went in from the mouth of the cave ... "After going down, we found the tunnel. The area is about 15 square meters, and there are more than a dozen small doors on the four walls of the cave, each of which is connected to a tunnel and twists and turns. There is a hut in the cave, a kang in the house, a lampstand on the kang, and some unburned candles. " The 74-year-old Li Jingtai recalls what he saw in the cave that year. Later, hundreds of people got into this tunnel with curiosity. In 1988, with the support of higher authorities, Yongqing County organized forces to set up an ancient warfare development team. After many investigations and textual research, it is found that the ancient warfare is widely distributed in Yongqing County, covering an area of about 3 square kilometers. When and who built the ancient warfare? As the name implies, it is an ancient military project. During the investigation, experts found that the ancient warfare in Yongqing was not only large in scale and widely distributed, but also complicated in structure and tight in layout. In terms of facilities, there are not only military facilities such as eye-turning, bunkers and gates, but also living facilities such as air holes, lampstands and heatable adobe sleeping platform. The giant blue bricks used in the construction are all 3×16×8 (cm). This kind of plain brick has high hardness and fine soil, and it is fired at high temperature when it is manufactured. Obviously, it was a whole project at that time. Yongqing ancient warfare so, when and who built the grand ancient warfare? The project is so vast, why is it "unknown"? Experts say that the direct evidence to determine the age of the ancient warfare is the building material of the ancient warfare-blue bricks! Through investigation, the plain blue bricks unearthed in Yongqing County belong to the same specification as the authentic bricks in Song Dynasty in Qigang County, Xiongxian County. It can be concluded that the ancient warfare should be built in the Song Dynasty. In view of the huge quantity and wide distribution of ancient warfare, the number of bricks used is considerable. Therefore, experts concluded that it must have been a national-level project directly planned by the authoritative competent department at that time. It is confirmed that the ancient warfare was built in the Song Dynasty, but the truth of the ancient warfare cannot be revealed to the world. More than 3 years after the founding of the People's Republic of China in the Song Dynasty (96-1279), was the ancient warfare built in the early stage, the middle stage or the late stage? Historically, the Song Dynasty was called the "weak Song Dynasty". In the early stage, there were Liao Empire established by Qidan nationality and Xixia Kingdom established by dangxiang; in the later stage, there were Jin Empire established by Jurchen nationality and Yuan Empire established by Mongolian nationality. Which country was the ancient warfare built when the Song Dynasty was at war with? Starting with the evolution of Yongqing, experts have unveiled the mystery of ancient warfare for the world. According to the records of Yongqing county, the northern border of Yongqing in Song Dynasty belonged to Liao country. Experts cited relevant documents from the specific location of the ancient warfare and the possibility and necessity of its emergence. After repeated research and textual research, they finally concluded that the ancient warfare was built in the Song and Liao Dynasties around 1 AD. The pattern of this historical period is the confrontation between Song and Liao. When Song Taizu and Zhao Kuangyin were in office, the determined operational policy was south first and then north. Before the reunification of the north and south, they did not take the initiative to attack the Liao country for the time being, and the Liao country was unable to move south at this time. In this way, the two sides want to fight for the time being, which will inevitably lead to efforts in defense. The ancient warfare is the product of war defense in this historical period. As for why this vast project is not recorded in historical records, experts estimate that there are two possibilities: first, the project is purely a state secret; Second, the official history books are deliberately avoided, which is related to Mitchell's foreign policy of surrendering to the humiliation of Song Ting. Although "not recorded in the official history", experts still have some conclusive evidence about the ancient warfare: According to Bazhou Annals compiled in the 26th year of Jiajing in Ming Dynasty (AD 1547), "Yinma Cave was ruled by Yang Yanzhao, starting from the city and Tongxiong County, and every time it was captured, it was necessary to start as a teacher." In addition, the "New Records of Xiongxian County" compiled in the 31st year of Guangxu reign (AD 195) in Qing Dynasty also recorded the introduction of the horse cave. According to historical records, in the 4th year of Yongxi in the Northern Song Dynasty (AD 987), Liao troops besieged the territory, and Zhao Guangyi, Song Taizong, asked the ministers about their defense strategies. Song Qi and others advocated the decision of the Yellow River North Dike, taking water as a defense, or crossing the Hebei Plain, and building the Great Wall between Cangzhou and Dingzhou to limit enemy riding; Cangzhou secretariat He Chengju, who is familiar with the topography of river plains, advocates making use of river swamps to make square fields, so as to block the way for Liao cavalry to go south. Zhao Guangyi finally adopted He Chengju's suggestion, which is known as the "Water Great Wall" in Song Dynasty. The ancient warfare found in Yongqing County is located in the north of the defense line in the Song Dynasty, and experts estimate that it may be a military supporting project at that time. The "Underground Great Wall" looks forward to reappearing brilliantly. Experts pointed out that most of the military tunnels in ancient China were used for siege. In terms of military defense, the Great Wall can be built as a barrier in high mountains and mountains, and rivers, seas and lakes can be changed into square fields to block the enemy's advance. In the central Hebei plain of Ma Pingchuan, only "Tibetan soldiers" can "defend against the enemy". The ancient warfare in Yongqing County developed siege and used tunnels for military defense, which should be said to be a major discovery in China's military history. This function of ancient warfare enriched the content of ancient Chinese military science, and also reflected the wisdom and creativity of people at that time. Among the people, the legend of ancient warfare was made by Yang Jiajiang, and there are countless related legends. Some people say that Yang Liulang was guarding the three passes, while Liao soldiers were guarding the boundary north of Yongqing County, so Yang Liulang built tunnels, "hid soldiers" in caves, and fought the Liao army. Others say that the Nanguan of Yongqing is the northernmost part of the ancient warfare, and the entrance is located in the Jade Emperor Pavilion of Grandma's Temple. Under normal circumstances, monks in the temple spy on the enemy's situation on the ground, and once they find the enemy's situation, they quickly spread the battle report to Sanguan through the ancient warfare ... In the 199s, experts and scholars from China Academy of Social Sciences, capital universities and relevant departments of Beijing held an academic seminar on underground ancient warfare in Yongqing County. Experts believe that the underground ancient warfare, as an ancient military defense project, has played no less practical role than the Great Wall in a certain historical period. As far as its historical and practical significance is concerned, its value cannot be underestimated, which can be described as "comparable to the Great Wall". In addition to "not contained in the history that can be corrected", it also provides new topics and new materials for the research of cultural relics, history, ancient military, ancient architecture and other disciplines and categories. Experts pointed out that in the Song Dynasty, ancient warfare was an important military defense project; In modern times, the discovery and excavation of ancient warfare also has certain development value and economic value. Experts believe that Yang Jiajiang's story is widely celebrated among the people, and it has survived for ten centuries because it embodies the excellent character of the Chinese nation in Yang Jiajiang. If we rely on the underground ancient warfare and take the history and legends of Yang Jiajiang as the central content, we can restore some ancient warfare sites and establish the Song and Liao ancient battlefield tourist areas with ancient military characteristics, which should have broad market prospects. Experts said that at present, in Yongqing, Xiongxian, Bazhou and other places, all kinds of underground ancient warfare have been cleared and excavated. Based on the distribution of the excavated, recorded and folklore underground ancient warfare, the ancient warfare area is about 65 kilometers long from east to west, 25 kilometers wide from north to south, and covers an area of about 1,6 square kilometers. According to the historical conditions that the Song-Liao border extends westward to Rongcheng County and xushui county (Song-An-Su Army's station), there should also be underground ancient warfare in this area. As for how far it is from Yongqing to the east, it is a huge question mark. How long is the "Great Underground Wall"? What other secrets are there? Although the ancient warfare that has been sleeping under the earth for thousands of years has been known, there are still many mysteries waiting for us to discover and solve.