After the Kang army filled in the moat outside the north city gate, for three consecutive days, other Sogdian countries also filled in the moats on the other three sides, but the Dashi army still did not figure out the main attack direction of the Tang army.
On July 12, the Tang army officially launched an siege on all four walls at the same time, and the Dashi Army had to deploy the same force on all four walls at the same time.
However, the Tang army did not use infantry to attack the city first, but used catapults on a large scale.
On the northern city wall alone, the Tang army used fifty large catapults, and dropped more than 5,000 stone bombs on the first day.
At first, the Dashi garrison on the city wall suffered a large number of casualties, but the Tang army's stone bombs showed no intention of stopping.
The Dashi army only left the necessary observers, and all others withdrew.
After getting off the city wall, the city wall that had just been built was riddled with holes by the Tang Army's stone bullets.
One section of the city wall was extremely damaged and there was a possibility of collapse.
However, this also allowed the Dashi Army to determine the Tang Army's The active direction is on the north city wall, but even so, the food army does not dare to be careless on the other three walls, let alone deploy the defense forces of the other three walls to defend the north city wall.
On July 13th, it was already the ninth day of the siege.
The Tang army officially used infantry to attack the city.
Of course, the main ones were Kang army, Shi army and Cao army.
A small number of troops were bluffing under the three walls of east, west and south, while they concentrated their troops to attack the north.
The gate was opened, and siege equipment such as siege ladders, well orchids, ballistae, and rams were used.
With the whole city under siege and being in a foreign country, the Dashi garrison's will to fight was not very strong.
Although the Kang Army, Shi Army, Cao Army and other armies did not have strong combat effectiveness, for them, this was The battle was a battle to regain lost territory, so everyone fought bravely to take the lead, and their combat effectiveness increased by 20% compared with usual.
Although the armies of the three countries suffered heavy losses when attacking the city, the food army, servant army and their strong men who defended the city The losses are also not small.
The siege battle lasted for three full days.
The losses of Kang's army, Shi's army and Cao's army were relatively large, and the soldiers were also quite tired.
Therefore, on July 14th, Zhao Ziliang withdrew them to rest and replaced them with He's army. , Shi's army, Mi's army and Bakhna's army attacked the city.
That afternoon, when He Jun, Shi Jun, Mi Jun and Ba Khanna's army were attacking the city in full swing, Zhao Ziliang observed the siege situation and then sent people to find the leaders of Cao and Kang.
Zhao Ziliang then said to the generals under Shuatai: "I'm afraid that no one in this army knows how to siege the city by digging earth and tunnels.
I've seen it in the past two days.
Although it is close to the river, the water level of the river is very high."
It's not very high, the soil here is Although the soil is soft, it is not completely sand, and it should be possible to dig underground.
I will order the armies of all countries to attack frontally, and at the same time secretly send people to dig a tunnel from outside the city into the city.
I wonder if any of you are willing to take this job."
Jia Chongguan stood up and clasped his fists and said: "General, I am willing to take charge of digging the tunnel."
Zhao Ziliang looked at Jia Chongguan, pondered for a moment and asked, "Then do you know how to dig a tunnel?"
Jia Chongguan couldn't help but reached out and scratched his cheek, thought for a while and said: "It's nothing more than leading the soldiers to dig a tunnel opening first, and then digging in along the tunnel opening, just like a mouse digging a hole."
The generals couldn't help but burst into laughter.
Zhao Ziliang looked at the others and asked, "Who else knows about this?"
Gao Shi stood up and cupped his hands and said, "General, I once took charge of building the city wall, digging moats and drainage canals in Xilin.
The digging of tunnels is different, because digging tunnels does not need to be wide or deep. , so there are not many people digging at the front, at most five or six people , if the official is in charge of digging the tunnel, the official will divide the excavation steps into several parts: first, divide the manpower into two parts, A and B.
Part A is the excavation team, which is divided into several small teams, each team has six People, after a team digs out a cup of tea, they quickly switch to another team Team B, this can ensure that the people digging in front always have enough physical strength, and the digging efficiency will be the highest.
Team B is the soil carrying team.
They each have a basket and stand every other step.
They are responsible for carrying the excavated soil.
First Put the soil in baskets and pass it out in baskets Come, this can ensure that the soil is moved out as quickly as possible.
Secondly, every time a tunnel is excavated, the top and sides must be reinforced with wooden boards and wooden pillars to prevent collapse; thirdly, a large tent must be used at the entrance of the tunnel.
Cover it up to prevent the defenders from spotting it, and it’s best to transport the soil far away.”
Zhao Ziliang laughed and said, "Okay, now Mr.
Gao will be in charge of hosting."
Gao Shi quickly raised his hands and said: "I will accept my order."
Zhao Ziliang then said to the disappointed Jia Chongguan: "General Jia, although you are not proficient in this matter, I still intend to let you assist Mr.
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Gao.
You can be willing."
Jia Chongguan was overjoyed.
This was a good opportunity to learn how to dig tunnels.
He didn't want to, so he quickly said: "The general will be willing."
Not long after, Lords Kang and Cao arrived.
Zhao Ziliang ordered them to hand over the recruited local people and military personnel to Gao Shi and Jia Chongguan.
He said that they had something to do.
The two leaders did not dare not agree and immediately took them.
Gao Shi and Jia Chongguan went to pick them up.
After Gao Shi and Jia Chongguan had manpower, they immediately started working.
Because Gao Shi had done related things and had certain experience, he knew how to manage and maximize the work efficiency of manpower.
Under Gao Shi's organization, he discovered Tunneling work began quickly, with baskets of soil being transported from a large tent and poured into some lower areas.
After four days of digging, Gao Shi finally organized people to dig the tunnel underground to a house fifty meters away from the city wall.
However, they did not know that the end of the tunnel was under a house.
In order to prevent being discovered, they reported to Zhao Ziliang After that, it was decided to dig the tunnel exit at night , and that night, an elite infantry group of the Anxi Army was already fully armed and ready, and other troops of the Tang Army were also ready to go.
All the military camps were assembled, waiting for the infantry in the tunnel to crawl out of the tunnel entrance into the city and fight to the city gate to open it.
At the city gate, the Tang army's fine cavalry can rush into the city.
Late at night, the Tang Army's camp was brightly lit, and Zhao Ziliang, Bian Lingcheng and other generals and officials were all prominently present.
Everyone was waiting quietly.
Zhao Chongxun, who was responsible for leading the team into the city, walked in from outside the tent with his sword pressed and clasped his fists at Zhao Ziliang, bending down and saying, "General, our army is ready and can break through the hole and enter the city at any time." " Zhao Ziliang looked at Bai Xiaode, Li Sheng, Pugu Huai'en and Xuan Er and asked: "How are you preparing for the army that rushed into the city from the city gate?"
Xuan Er stood up and clasped his fists and said: "General, we have all assembled in the camp.
As soon as the shouts of killing are heard from the city gate, our army can rush out of the camp and fight towards the city gate."
Zhao Ziliang nodded and asked Bian Lingcheng: "Master Bian, is there anything else you want to say to the Anxi Army?"
Hearing this, Bian Lingcheng said to Zhao Chongxuan: "General Zhao, be more careful and cautious.
This opportunity is rare.
Try to succeed in one fell swoop."
"clear" Zhao Ziliang finally gave the order: "Okay, let's get started.
Everyone, get ready."
"Nuo" the generals agreed and walked out of the tent one by one.
Zhao Chongxun came to the big tent where the tunnel entrance was located.
The Anxi Army infantry was standing everywhere.
These were all preparing to enter the city from the tunnel for a sneak attack.
However, the tunnel was not very wide or long and could not accommodate many people at the same time.
Therefore, these People can only wait outside for the time being.
Walking into the tunnel, the tunnel was now filled with two rows of fully armed soldiers.
There was only a small gap for Zhao Chongxun to pass through.
However, when the soldiers saw Zhao Chongxuan coming, they gave him a passage for him to pass through.
Zhao Chongxun said as he walked: "Brothers, this is our Anxi Army's opportunity to avenge its past humiliation.
Only by entering the city through the tunnel, opening the city gate, and allowing our army's troops from outside the city to enter the city, can our army defeat the enemy in the shortest possible time." within the smallest We have to pay a price to conquer this city.
Once we get out of the tunnel, we will be discovered by the food army sooner or later.
Fighting is inevitable.
I hope the brothers will follow me closely.
Our first task is to open the city gate.
As long as we open the city gate , our mission is accomplished.”
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When they reached the end of the tunnel, several local Kangguo men bowed and saluted Zhao Chongxuan.
Zhao Chongxuan pointed at them and asked them to dig the tunnel entrance.
Several Kangguo men immediately understood what he meant and immediately started digging with tools.
When I got up, the entrance to the upward passage had actually been dug to less than a foot from the ground.
These strong men from Kang State dug to the ground in a few clicks, and a dark hole appeared.
Jia Chongguan held a torch in one hand and climbed out of the cave along the ladder.
When the torch illuminated the surroundings, he found that it was a room.
The room was poorly furnished and full of dust.
It seemed that no one had lived in it for a long time. .
This situation made Jia Chongguan very happy, because the tunnel entrance was in such a closed room and was least likely to be discovered by the food army.
There was enough time for all the troops in the tunnel to come out.
As Tang Army soldiers climbed out of the tunnel one by one, the room was quickly filled with people.
Zhao Chongxuan had already explored the house with several soldiers.
There was no one in the house and it was empty.
He opened the door again.
He led a few soldiers to investigate around the house and found that it was not far from the city wall, less than fifty meters away.
However, he found that there were densely packed food troops, servant troops and local strong men sitting or lying under the city wall. .
The order was quickly conveyed, and the soldiers of the Tang Army crawled out of the tunnel lifelessly and hid in the darkness of houses or under the eaves of houses.
More than an hour passed, and more than 2,000 Anxi troops in the tunnel finally came out.
At this time, Zhao Chongxun felt confident.
He and his deputy generals each led a team to divide the work.
Zhao Chongxun was responsible for leading a team to rush to the city gate to block the counterattack of the food army, while the deputy general led people to open the city gate and defend until The main army outside the city rushed into the city.
"Are you ready?"
The lieutenant nodded.
Zhao Chongxun raised his horizontal sword and said in a deep voice: "Start, let's go."
The Tang army divided into two teams and rushed towards the city gate.
The sound of heavy footsteps, the friction and collision of weapons and armor could be heard: