"Really? Abandon the army and escape?"

　　 "Your Majesty, the Hussar general returned to the book, saying that he will do his best to hunt down."

Liu Yan has already passed through the desert, about one hundred and fifty miles away from Yanmen County. They will follow this military road, enter Yanmen Pass and then head east, passing through Liaoxi County and Liaodong County to the northeast. Inspect the actual situation there after more than a year of development.

　　 The road from the hinterland of Han to the grassland is not too few. It is the route that the army has taken when they repeatedly marched into the grassland. Behind it is a sign that points to it. There is a post every ten miles. Because it was developed by the army, the post stations along the way also belong to the military system and have always been commonly called military roads.

In fact, Liu Yan is still a small hand. He didn’t make a big effort to build a road to the grassland. The former Emperor Shi was called a half-nation power. The straight road leading to the Hetao from Neishi County at that time was constructed in a very rigorous manner. Attitudes and specifications are built.

　　 The straight road built in the Qin Dynasty will be preserved in later generations. Let alone nowadays, the Han Dynasty actually used the straight road built in the Qin Dynasty to play a considerable role in the transportation of the heavy weight from Guanzhong to the Hetao.

　　 "General Hussein..." Liu Yan was not riding a horse. He was riding in the chariot. Several important officials were in the chariot together. He shook his head and smiled, and said, "I wish I could chase to the end of the world."

If a person wants to hide, if there is no insider to report the escape route, the difficulty of trying to catch is far higher than imagined. Liu Yan doesn't care too much about whether he can catch Fu Jian. The momentary power of Di Clan has become a thing of the past. The trouble caused by the Fu family's entry into the West High Car has become an established fact. Even if the Fu family wanted to do something, it would be the same for Han, and it would not change the overall trend.

　　 Yanmen Pass has always been one of Zhuxia’s most important passes. It relies on the surrounding dangerous mountains as a barrier, and chooses the most advantageous location to build the city tower, and together with the long city wall, it becomes a barrier for Zhuxia in the north.

　　 Liu Yan looked far away, and the numerous mountains stretched into a straight line. To enter Yanmen Pass, you need to pass through a passage surrounded by mountains on both sides.

If you pass through the passage, it’s definitely not dangerous. In fact, you will face the mountains after crossing the passage. Most of the roads you can walk on are winding and winding, but military installations can be seen from all the highlands. The most important thing is not to be ignored. The tower on the only way.

　　 In addition to the main building of the gate, there is a fortress on the high ground on the left, and the mountain on the right is directly connected to the mountain.

The fortress is a group of buildings with city walls. There are quite a few buildings that resemble Fengsui. In fact, those buildings that resemble Fengsui are the fortress arrow towers. There can be two to three crossbows placed on it, and it can also provide 20 or 30 crossbowmen. Stand up. They have been placed in a particular position for a long time, almost covering the front of the gate of the pass, and at the same time targeting the road leading to the fortress.

The guards of the pass have already known the arrival of the patrol team. According to the process, the obstacles along the way are cleared. The pass, city walls, fortresses and other places cannot stand in the open. Can see flags fluttering in the wind.

　　 The leading troops of the outbound patrol team passed through the city gate, and also took over the pass and the deployment points in accordance with the process. This is not to distrust the defenders, it is the necessary procedures for the emperor to patrol any area. If the emperor specifically orders the defenders in a certain place to be responsible for the defensive line, it is absolutely glorious, but similar examples are so few that they are pitiful.

　　 Liu Yan stopped when he arrived in front of Yanmen Pass. He looked up and saw the name of the pass carved on the stone slab in small seal font. The Yanmen Pass that he saw was not tidy, and the city walls were not built with bricks. In fact, it was a structure of rammed earth. Stones were used in some places.

　　 The road in front of Yanmenguan gate is narrow and narrow. It can only accommodate thirty people standing side by side. The main city gate can only provide one car or seven or eight people side by side.

　　 Liu Yan got on the chariot again and made a special calculation when he passed through the gate hole. The depth of the gate hole should be about twelve meters. There are four Tibetan soldier holes on the left and right sides together. He deliberately asked, and learned that each Tibetan army cave can accommodate 50 people, and there are also stored food, water, some ordnance, firewood, and fire oil.

　　 The Tibetan soldiers cave in the gate cave is not a decoration, it is mainly responsible for the guard of the gate cave. Once the enemy enters the gate, they use flesh and blood to block the advance of the enemy. If they can't stop it, they will set it on fire.

Passing through the gate hole, you enter a piece of Wengcheng surrounded by four walls. This place is actually the second line of defense of the gate. Even if the enemy gets here, they will face the crossbowmen on the four walls. There is no ability to break through the second gate with the arrow rain above his head.

　　 Then through the city gate of Wengcheng, Liu Yan saw a school field, about the size of a football field, surrounded by fences.

At this moment, the school field is full of soldiers standing in line. After seeing the king flag, they all kneeled on one knee. Everyone joins in, and the slogan reverberates in the mountains, rippling the earth.

　　 In addition to the school field, this area including the school field is actually an immortal military barracks. Lines of defense are constructed in accordance with the defense system. There are also rows of barracks, and some arsenals, granaries, etc. are indispensable.

　　 Yanmen Pass was the first of the public gates in the Early Han Dynasty. The Yanmen Pass in the early Han Dynasty was not what it is now. Not to mention that the defensive walls including the gate towers were not as high as they are now, and even the highlands were only a few fortresses.

Relevant historical documents provide verification. The Yanmen Pass in the early Han Dynasty was only two feet high, and it was in a state of gaps. As a result, the Han army at that time had to use flesh and blood to block it, and was repeatedly broken by the Huns casually. The raging counties are not only Yanmen County, but almost the entire northern Xinjiang will suffer raging.

In the early Han Dynasty, it was not that they did not want to increase the height of Yanmen Pass, or even think about strengthening the fortifications day and night. The problem was that the national strength was slightly insufficient, and the worry was that it would stimulate the Huns. In many cases, the defenders of Yanmen Pass did not exceed it. Three thousand people were urgently mobilized from other places after the war broke out.

Probably in the period of Emperor Wenwen of the Han Dynasty, because the relationship between Han and Hun was eased, the Yanmen Pass was repaired and stopped for more than ten years...The main reason was not to stimulate the Huns, so that the walls of Yanmen Pass were generally increased to three feet, some high ground. A fortress was also established.

　　 Until the Emperor Jing of the Han Dynasty, the Huns were able to break through the Yanmen Pass several times. They had to wait until the Han Empire turned from defense to offensive, and the Huns could not enter the Han realm through the Great Wall.

　　 Facts have repeatedly proved that even if there are re-consolidated fortifications, the country's overall strength is insufficient, or the military force is not superior, and the pass can only play a defensive role. Should it be penetrated, it will still be penetrated.

Regardless of whether it is the Great Wall or any pass, it has always been a defensive function, but it is more of an early warning and blocking the enemy. The function of early warning is greater than the blocking effect. The main purpose of building the Great Wall is to prevent the Hulu. Go wherever you want, the Central Plains Dynasty can better predict the enemy's marching route, prepare for defense or take the initiative to intercept.

　　 The contemporary Han army has already reached Mobei, the grassland has already belonged to the Han family territory, the Great Wall has actually lost its military value, and the role of various gates has also been infinitely reduced.

The truth is that as long as the Central Plains dynasty can take the initiative to attack the grassland, the Great Wall will become a decoration. However, all dynasties and generations have not stopped paying attention to the Great Wall. The funds allocated for maintenance and repairs have never stopped. There have always been garrisons, only the number of garrisons. Many and few.

Liu Yan naturally wanted to go up to the tower to take a look at the surrounding terrain, and then look at the winding road among the mountains, thinking of a few poems about Yanmen Pass in his mind, it seems that no matter which capital is carrying Complete sadness.

It seems that it is really like that. As long as it is a frontier fortress poem, most of the "negative energy" is indispensable. It does not say that the soldiers in the fortress will lose a lot, or that the people who go on the expedition do not know how many can come back. It seems that going abroad to fight is a life of nine deaths. The tragic reminder really fully embodies the ideological concept of "defending the nation".

Liu Yan has been working hard to remember, and he didn’t know that it was because of the lack of "poetry library". He was depressed to find that there was only the poem "Po A Time. Give Chen Tongfu a Zhuang Ci to Send It" in his memory. The problem is that the last sentence "poorly white happens" is also in line with the format of frontier fortress poems, and there is always some sadness to be added.

　　 Otherwise, "Drunk with the lamp and watch the sword, dreaming back to blow the horns to the company. Eight hundred miles under the command of the sun, the fifty strings are turning over the wall, and the soldiers are on the battlefield in autumn." Isn't it very imposing? The next "Lu Feifei made by horses, the bow is like a thunderbolt. But the king is the world, winning the name before and after his life" artistic conception is also with good expectations.

　　 "Your Majesty?" Sang Yu didn't know what Liu Yan was in a daze. He called for a few times before receiving no response, and then increased the volume slightly. He waited for Liu Yan to look over before continuing to say, "Yunyuan stayed here tonight?"

　　 Liu Yan is no longer recalling poems, he is considering whether to tear down the Great Wall.

　　 The Great Wall is very long, but it wasn't really connected at the beginning. Its construction started in the Spring and Autumn Period, and the purpose of course was to resist the invasion of the Hu people in the north. As the princes annexed each other, the warring states continued their work of repairing the earth, connecting the sections of the city walls originally built by the princes. After Qin ruled the world, the real "Great Wall of Ten Thousand Miles" could be regarded as the present, but it was actually a connection between the Great Walls originally built in the Warring States, and the addition of Fengsui and Passes in various dangerous areas.

　　 The Qin Great Wall is basically a rammed earth structure. It must be said that the Great Wall of later generations is actually a product of the Ming and Qing Dynasties, and many areas are no longer where the previous dynasties were located. This is an inevitable thing. After all, the territory of Zhuxia has been advancing to the north repeatedly. The Great Wall was built in modern Shanxi, Shanxi, Hebei, and it was pushed into the Inner Mongolia area by the Ming Dynasty.

　　 It must be said that in fact, the dynasty that built the Great Wall to the northernmost was the Western Han Dynasty. It was built as far as the outer Mongolia, and the northwest was built directly to the new Xinjiang.

"Zi Shen." Liu Yan stared into the distance. The sun there was about to descend to the position of the mountains. In some areas, a section of the Great Wall that looked like a yellow dragon could be seen: "Widow is thinking, is there still a need to keep the Great Wall? "

　　 Sangyu was very obviously taken aback, the monarchs of the past dynasties did not control whether the Great Wall became a decoration... No, the Great Wall of any previous dynasty was not a decoration. Anyway, what he knew was that no ruler had thought about tearing down the Great Wall, on the contrary, he had been maintaining the Great Wall.

　　 "Why does your Majesty have this idea?" Sang Yu was both stunned and puzzled: "There is no shortage of Dahan Guobao!"

It was realized that Han has not had time to pay attention to the existence of the Great Wall. It was only because of military needs for a certain period of time that certain sections of the Great Wall were repaired and reinforced, such as Yanmen Pass at their feet and Shanhaiguan in the northern area of ​​Hebei. There is also Yanmen Pass in the northwest.

In terms of overall income, the resources consumed by the Han nation on the Great Wall are not too large. The counties and counties are rarely assigned to the Great Wall for military service. The military service is mostly used for road construction and the construction of local townships. In general, The Great Wall is not yet a burden on the country.

"It's not a question of funding." Liu Yan raised his hand and pointed to the section of the Great Wall that he could see, and then pointed to the far north: "Dahan is an offensive country. We have already reached Mobei, and there is nothing within nearly a thousand miles. threaten."

　　 Sangyu is silent. The current Han country has indeed mastered the grassland. There are really no enemies within the grassland for thousands of miles, but you must always think about the future. What he considers is whether Han can always be in an offensive position, or whether it can always have the grassland~lightnovelpub.net~ Now that the Great Wall is really going to be demolished, he doesn't think that the nation will lose its epic wonder or something. Isn't it necessary to rebuild when there is a need in the future?

"Widows sometimes feel that some of the Hulus' words are correct. It is the Great Wall that has restricted the pioneering spirit of the Han people. They have built a sheepfold and think they are safe." Liu Yan raised his hand to stop what Sang Yu was about to say, and continued on. Said: "No one knows that there was no Great Wall in ancient times. The ancestors of Zhu Xia repeatedly went north to fight for living space with foreign races, waiting for the Great Wall but they stopped moving, or even retreated."

Sang Yu tried very hard to recall that some historical books he read rarely mentioned the Great Wall. Even if they mentioned it, it was about a certain war that took place on the Great Wall. Often, which section of the Great Wall was breached and the hinterland was beaten to grass valley by the Hus. How miserable.

"The sea can't stop the big man from exploring the unknown, and the Great Wall shouldn't be the'yoke' of the Han." Liu Yan smiled, but behind it he waved his hands: "Widows have to think a little bit. If there is no Great Wall, future generations will not. There is a thought of "I can't beat and retreat to the Great Wall." If you encounter an invasion, you will know earlier that you should work hard, right?"

　　 Sangyu was shocked again and again. The Han country was in the midst of the sky. How could the supreme ruler think that not only would the descendants lose the grassland, but even the enemy would shrink behind the Great Wall?

　　The very crucial question, what Liu Yan knew was that Zhu Xia would actually shrink behind the Great Wall repeatedly, and even the country would be wiped out again and again. Basically, he raised a tiger by himself or felt safe.

　　 Liu Yan said in an unpredictable tone: "The Great Wall is like a lock."

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