Tongguan is located in the north of Tongguan County, Weinan City, Shaanxi Province, bordering the Yellow River in the north and the mountainside in the south. It is located in the east of the Guan Plain, and is located in the key place of Qin, Jin and Henan provinces, the situation of Tongguan is very dangerous, and there are Qinling Mountains in the south. There is a forbidden valley in the southeast, and there are 12 cities in the south of the valley; There are Wei and Luo Erchuan in the north, and the Yellow River hugs down, and the west is near Huayue. The surrounding mountains are connected with mountains, peaks and peaks, valleys are deep and precipices are absolute, the mountains are high and the roads are narrow, and a narrow sheep intestine path is passed, and only one car and one horse can be allowed to go back and forth. In the past, people often compared the situation here with "the danger of the road and the ape" and "the danger of the road stopping at Tongguan in the world".

Since then, Du Fuyou has also had the poem "The father-in-law sees the important place, the narrow and narrow accommodates the bicycle, the struggle is difficult, and the eternal use of a husband". During the Warring States Period, Hangu Pass became the east gate of Qin, in the area of Wangduo Village, Potou Township, Lingbao County, and Hongnongjian in the east. At the end of the Eastern Han Dynasty, Cao Cāo and Ma Chao fought in Tongguan, and the name of Tongguan was first seen in history. Tongguan Guancheng was founded in Han, on the source south of the port, that is, near Yangjiazhuang. In 611, the seventh year of the Sui Dynasty), moved the city to the north village of the south city of Yangjiazhuang, and the north and south of the Han Dynasty Guancheng confronted each other, forming two cities, and the situation was more dangerous. Tang Wu Zetian granted the second year of 691) year, Tongguan moved north from the plateau to the source, along the river to open the road, that is, the current Tongguan. In order to consolidate their dominance, the rulers of all dynasties have stationed heavy troops here and set up guards to guard them.

"Notes on the Book of Water" contains: "The river flows south of Tongjiguan Mountain in the Guan, because it is called Tongguan. "It was founded in 196 in the first year of Jian'an in the Eastern Han Dynasty). Tongguan is the east gate of the pass, and it has always been a place for soldiers to fight.

Tongguan was located at the end of the Eastern Han Dynasty, when the Guancheng was built on the loess plateau, the Sui Dynasty moved south for several miles, and the Tang Wu Dynasty moved north to the lower part of the plateau, forming the former site of the current Tongguan City. Tang placed Tongjin County, Ming set up Tongguan Guard, Qing Dynasty was Tongguan County, and the Republic of China attacked it. Because Tongguan is located at the crossing of the Yellow River, located in the three provinces of Jin, Shaanxi and Henan, the key to the post road from Chang'an to Luoyang, and is the key to enter and exit the three Qins, so it has become the necessary place to enter the original and the west to enter the customs and the western regions since the end of the Han Dynasty and the key pass of the customs and defense, and has always been a place where soldiers must fight, known as "the first danger in Jin", "the throat of the four towns", and "one hundred and two heavy passes".

Tongguan has a long history and is famous. Zhang Chuanshan, a great poet and calligrapher of the Qing Dynasty, said in "Tongguan": "When the time is easy, it is easy to pass Xiongguan, and the horse and the river are returned." A song of smoked cucumber vine water, several peaks of verdant and verdant mountains. Dengcheng version of the brand Ding male strong, calling wine and cooking sheep guards idle. The most is the oblique shelter of the green poplar, and the red shirt and green hat are drawn. The poem of the contemporary Chen Yunhe is a portrayal: "There is no boat in Fenglingdu so far, and there is an iron bridge in Laotongguan instead."

At this moment, there are not many garrisons left in Tongguan, Yang Fugong protected Li Yi's Luanjia, fled all the way west, Chang'an City is empty, even if Tongguan is dangerous, there are only less than 10,000 garrisons at this moment, how can it be defended?

"Kill me!"

Li Cunxiao carried a spear, did not listen to anyone's persuasion, and personally charged forward, seeing this, all the generals under his command were like crazy demons, screaming and killing Tongguan.

The first pass was successfully broken, the guards of Tongguan were addicted to alcohol, and his subordinates were all good wine and greedy people.

Duan Mingyu wanted to help Li Ke use them to create momentum, to shake the whole country, and finally the Seven Princes ascended the throne with immortal merit, in history, Tian Lingzi did not die, but fled to Shu in this chaos, but Tang Xizong died of depression shortly after this rebellion. Duan Mingyu changed everything, Tian Lingzi died, Tang Xizong did not have the ability to rule the world, even if he didn't die this time, Duan Mingyu would mutiny.

At this time, the men and horses of Li Keyong, Zhu Zi, and Wang Chongrong had already arrived, and the internal planning of the people and horses opened the pass, and Li Cunxiao rushed through, non-stop, only knowing that he was running in a straight line.

As a traverser, Duan Mingyu's personal emotions have been suppressed for too long, and he has been restrained for too long, and now he is finally inspired by Tian Lingzi's slaughter of the city, the current Seven Princes are not the king of a country, he is not the commander of thousands of armies, and he is constrained, if the Tang Dynasty really has the moment of destruction, he would rather die here first, ignorant and ignorant, he will not be subject to that sin, the five dynasties and ten kingdoms are a dark era.

Tongguan Pass has been repaired from generation to generation since the Qin and Han dynasties, and a very strict blockade has been established, but these blockade points are mainly based on geographical advantages, and the fortress Fengsui condescendingly takes a defensive position, and can not arrange too many people and horses. The danger of Tongguan lies in the terrain, if there is an internal response, the advantage will be lost, but because of the steepness of the terrain, they can not quickly gather people.

Duan Mingyu began to arrange this move from a few months ago, even if it was attacking the city and plundering the wall, burning and looting, they were never used, and at the critical moment, this move finally played its greatest role. The army of the three feudatories was so overwhelming that if it attacked the fortress that would be difficult to overcome even with tens of thousands of casualties, it collapsed under the effect of such a small ambush.

Li Cunxiao quickly rode a meteor and ran to the second pass, when the inner Ying inside had just launched a surprise attack, and the Tang Army garrison soldiers and horses were killed into a pot of porridge, fighting for a long time, but in this way, there was a response to the containment, and no one boarded the fortress wall to resist the external enemy.

Halfway up the ladder, the gate creaked open, and a bloodied warrior staggered open half of the gate. As soon as the city gate opened, it was like a flood bursting the embankment, the army was surging through, and the matter of solving the remnants of the enemy army was handed over to the rear team, Li Cunxiao just rushed forward, rushing forward with the fastest degree.

A chill swept through his heart, he only kept swinging his gun to assassinate, he could comfort the fear of a little, he was afraid, that fear of losing the mood, he had only once before, that time, he was single-handed, running towards the enemy army alone, running so much that he didn't dare to stop, that time he was covered with more than 30 arrows. When he finally despaired, his stepfather arrived with a large army.

This time, his blood as a man finally returned to him, suppressing his reason and his responsibility, but making him feel so happy!

In the third level, Li Cunxiao finally stopped. Although the people who responded arrived in time, their numbers were too small, and the second pass was too close to the third pass, although they came quickly, they still aroused the jǐng consciousness of the defenders, and the people who were mixed in the pass were also jǐng, and they did not dare to act rashly.

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