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The Tongguan City of the Sui Dynasty was much taller and more majestic than the Tongguan City of the Han Dynasty, and the terrain it relied on was more dangerous. What added momentum and danger to the Tongguan City of the Sui Dynasty was the forbidden ditch in the southeast of the city.

The forbidden ditch is actually a wide mountain gorge, which can also be said to be a river in the mountains. However, there is rarely accumulated water or running water unless it rains heavily. If it rains heavily, the forbidden ditch will become a river. The average width of the forbidden ditch is about

Six to seven feet, and the shallowest part is about ten feet. Suitongguan City was built on the west side of the Forbidden ditch. If the rebels gathered on the southeast side of the Forbidden ditch wanted to attack Suitongguan City, they had to cross the Forbidden ditch to reach the city wall.

under.

The city wall of Tongguan City in the Sui Dynasty was about three to four feet high. Including the depth of the forbidden ditch, it was about six or seven feet, or about twenty meters in height. There was not much place to stand under the city wall, and there was only room for a ladder.

There are not many. Along the west side of the Forbidden Valley, there are beacon towers built on the mountains that protrude from the city wall. The Twelve Point City was built protruding from the city wall, which can block the siege troops who cross the Forbidden ditch.

However, there are still many corpses that have rotted due to the heat in the forbidden ditch and have not been cleaned up, emitting a disgusting odor. These corpses are piled up to a certain height, which reduces the defensive capabilities of the multi-section forbidden ditch natural barriers. The height of some places

It is less than one foot, and two people can reach the west edge of the Forbidden ditch by holding each other up. The rebels will definitely take advantage of these circumstances and concentrate their forces to launch an attack on the south gate of the city in the direction of the Forbidden ditch.

The east gate of Tongguan City in the Sui Dynasty was some distance away from the Forbidden Valley. There were some steep mountains lying between the city wall and the Forbidden Valley. If the rebels wanted to climb these mountains to attack the city, the difficulty would be no different than climbing to the sky. In other words,

Only the twisting and winding road out of the city gate is a passage that the rebels can attack. However, the section about five or six hundred steps away from the city wall, which is not clearly visible on the top of the city, is the Forbidden ditch and the bank of the Yellow River connected to the Forbidden ditch.

, but the terrain is very flat, allowing a large number of troops to be gathered, but the defenders on the city top cannot be hit with crossbows or other weapons.

The flat area beside the Yellow River outside the east gate will be a place where the rebels gather their forces on a large scale.

The rebels will definitely launch a large-scale attack on Tongguan City from the east gate, but it is unlikely that there will be many troops attacking the city.

The north gate of Tongguan in the Sui Dynasty was the same as the north gate of Tongguan City in the Han Dynasty. It was built along the Yellow River, and there were dangerous mountains nearby. The rebels could not gather a large number of troops below, and could only carry out siege operations with a scale of a hundred people at most.

Basically, it cannot pose a threat to the defenders on the city top, unless the defenders on the city top sleep collectively or all evacuate. There is no way to organize people and horses below the city to shoot bows and arrows at the defenders on the city top.

The west gate has its back to the direction of the rebels. It is the passage for people coming from the direction of Chang'an to enter and exit Tongguan City, unless the rebels are coming from the direction of Chang'an.

No matter who directed the attack on Tongguan, as long as they came from the direction of Luoyang, they would definitely attack from the east and south gates of Tongguan City in the Sui Dynasty. Cui Qianyou, the rebel deputy commander who directed the Tongguan siege, also decided this way.

After Li Qian and Cheng Wei led the remaining 3,000 troops to the east gate and south gate, he immediately issued the order to attack the city. Cheng Wei attacked the east gate of Tongguan, and Li Qian attacked the south gate.

After receiving the order, Li Qian and Cheng Wei did not dare to delay, and immediately ordered the troops they had just assembled to attack the city in turn.

When the two generals issued the order, they felt very tragic in their hearts. Their thousands of outpost troops were destined to die in Tongguan City.

Li Qian's order came before Cheng Wei. Following his order, the first team of hundreds of sergeants quickly rushed into the forbidden ditch carrying ladders.

The east edge of the forbidden ditch is not a straight up and down mountain chasm. The slope is relatively gentle. The attacking party can rush to the lower part of the ditch without much effort. However, the slope along the west edge of the forbidden ditch is very steep. Unless using ropes or ladders, otherwise

It is difficult to climb to the edge of the ditch. If you climb with bare hands, you may fall halfway down the slope and be seriously injured or die.

The first function of the ladder in the hands of the rebels who rushed into the ditch was to help them get to the west edge of the forbidden ditch, and then use the ladder to climb the city.

A little while after Li Qianmen held up his shield and carried the ladder to rush down to the bottom of the ditch, and prepared to use the ladder to ascend the west edge of the Forbidden ditch, another group of troops commanded by Cheng Wei also began to go.

An attack was launched in the direction of the east gate of Tongguan.

Hundreds of rebel sergeants held shields in their hands, howled and started attacking Tongguan City along the winding road into the city.

The follow-up troops under Cui Qianyou's personal command are arriving quickly. The first troops arrived at Tongguan City with Li Qian and Cheng Wei. The method Cui Qianyou plans to adopt to attack the city is still the same as that of attacking Tongguan City in the Han Dynasty, that is, continuous charges.

, regardless of the cost of death, he used wheel battles to consume the strength and arrows of the Tang army on the city. He did not place his hope on attacking the Tongguan city while the Tang army was still able to resist, but hoped to shoot arrows when the Tang army had no strength.

, while slashing with swords, he attacked the city with more troops and rushed to the top of the city in one go.

They spent too much time in Tongguan City in the Han Dynasty in the morning. Neither Cui Qianyou nor An Qingxu were very sure whether they could capture Sui Tongguan City, the last pass in the Tongguan natural barrier today. But An Qingxu had already decided to die.

He ordered that no matter how high the cost, Tongguan City must be captured. He vowed not to stop his troops until Tongguan City was completely captured.

Cui Qianyou also ordered that the sergeants take turns to attack the Tang army on the top of the city without any pause.

The battle started from now on and would not stop. It would continue even after nightfall. No matter what defense methods the Tang army used, they would not care even if they launched a large-scale fire attack. Unless the entire Tongguan pass fell into their hands, the fighting would not stop.

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Yang Xi, who stood at the top of the East Gate City, watched coldly as the rebels slowly gathered in the distance, and then launched an attack in the direction of the East Gate and South Gate with hundreds of people.

Seeing that the rebels had not all assembled yet, they launched attacks on the east gate and the south gate. Yang Xi immediately understood the meaning of the rebel commander, which was to continue to attack the city in the same way as the Han Tongguan City.

A certain amount of casualties will be taken as a price, consuming the energy of the defenders on the city top, as well as the arrows on the city head.

He was not worried about the shortage of arrows in the city, and more arrows had been brought into the city in the past two days, but he was worried about the strength of the sergeants.

Most of the sergeants were defeated in Lingbao. The 3,000 sergeants he brought over from Chang'an were also exhausted. The ones with the strongest physical strength were probably the 3,000 troops that Ge Shuhan did not bring out of the city. Overall

Generally speaking, the defenders on the city are all tired. Although the rebels attacking the city are also very tired, they have enough troops to attack in turn. If follow-up reinforcements do not arrive, the defenders on the city will not be able to get enough troops.

In addition, Yang Xi knows that the final fate is likely to be the destruction of the city and the death of the people!

However, Yang Xi still believed that the more than 10,000 troops under his command were fully capable of repelling the rebel attack until reinforcements arrived.
Chapter completed!