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"Today's tactics are similar to those of those days."

The strategy used tonight does have some commonalities with the strategy used by the Zhao brothers in Yangzhou back then. But the power of the army of more than 100,000 Hu people outside the city is not comparable to Li Quan. In Shandong, Li Quan's army of more than 100,000 could not stop the gallop of 20,000 Mongolian cavalry, and was forced to surrender under the city. Today, the city is full of the elite of the Mongol army, and it is difficult to use similar forces to repel the Iron Cavalry Legion by force.

It is precisely because of this that this night attack has an extraordinary significance,

Zheng Yunming and Zhao Kui were waiting for the time to attack at the head of the city. Gong Yanhui, a hundred households of the Yizhou Armored Army under Zhang Rou's department, was quietly lurking in the grass on the south bank of the Han River with dozens of subordinates. On the bank of the Hanshui River, which is more than a mile long, there are hundreds of elite Yizhou soldiers in ambush, and they are led by Zhang Rou's henchman He Boxiang, the head of the army. Like the Song army at the head of the city, they were also anxiously waiting, the difference was that they were waiting for Meng Heng's night attack team that had smuggled in from downstream.

He Boxiang followed Zhang Rou for many years, growing from a rough and unwritten brave man to a cunning general who was well versed in the art of war, and he understood that the number of troops in ambush warfare was not the biggest problem, and the biggest key was to make the enemy suddenly attack when he could not resist effectively.

"Lower all the big guns in your hands! Hide yourself in the grass! He shouted at the soldiers who participated in the ambush: "What Meng Heng kid is best at is engaging in sneaky things, this time let's teach them a lesson." When this group of rats is ashore, don't be in a hurry to make a noise, let them go first, and when their team is halfway through, you will suddenly kill them, cut them in two for me, and then beat them hard! ”

In the night, the banks of the Han River are blown by the breeze, the grass rustles, and the moonlight shines on the river.

Zheng Yunming held a speculum and looked at the Han River, when there was no telescope as a tool before, only people with the special skill of night eyes could vaguely see the movement of the Han Water at night. In the Jing Chu army, only 6 followers and 6 masters can do it.

However, after the speculum is under the commander's head, anyone with good eyesight can see the general situation on the river from a distance when there is moonlight. The scouts deployed by the government made flexible use of this cutting-edge reconnaissance tool, and quickly set up lookout posts on the city towers and watchtowers that doubled the detection effect. Within a few days, the lookout post of the Great Song Dynasty "waited for the distance and near, waited for the hypocrisy, and the thief camp was not leaked in case of any leakage, although it was a single person, it was far away for several miles, and it could be investigated in detail." Zhao Kui especially loved the convenience of this kind of observation equipment, and after trying it, he immediately asked Zheng Yunming for ten of them, which were used by several henchmen and staff. He also urged Zheng Yunming to make 200 corpses immediately after the end of the war, as a tribute to the official family, and then distributed by the imperial court to the commanders of the major border regions.

How can it be so easy, Zheng Yunming put down the speculum and squinted at Zhao Kui, this maker doesn't know how high the cost of this small brass cylinder is. Just in order to find the appropriate curvature of the lens, I did not hesitate to hire 17 craftsmen to work day and night, experimenting with various curvature lenses, and then selecting the best one. The cost of optical glass is even more needless to say, so that Zheng Yunming sometimes wonders if he is the commander of the 10,000-strong army and the person in charge of the real power of the transfer department can eat all of Liu Tingmei's output. Of course, this price was set by himself earlier, and the speculum was indeed something that Jinghu Defense urgently needed, but he did not expect that Liu Tingmei was so keen on this kind of lucrative product that he actually sold his own grange to raise funds, and opened several glass workshops in Yueyang and Ezhou in the south of the Yangtze River to specialize in manufacturing optical glass.

When the country is in crisis, there will always be people who get rich because of this, but Zheng Yunming faintly feels that his various actions seem to be giving birth to the first batch of mature industrial and commercial giants in Chinese history, naturally, the scale of this giant can not shake any aspect of the Great Song Dynasty society for the time being, not to mention the imperial relatives and nobles in Lin'an City, even if it is the merchants who provide chickens, ducks, pigs, sheep, and rare treasures to the Xungui family, it is enough to compare any of them with Liu Tingmei and Cao Wenqi. But Zheng Yunming provided a new idea to the Jinghu heroes, and did not rely on the relationship with the government or the gold, silver and land to get rich, as long as they made good use of the innovative spirit of craftsmen, made a breakthrough in technology and formed a monopoly, the degree of making money was much faster. Once they have gained this momentum, although they are still weak, one day, they will grow into a force that the imperial court cannot ignore.

However, most of these will have to wait until after the war to slowly think about countermeasures, and the top priority is to first expel these Hu Lu, whose fighting spirit is still undiminished.

There was already a shadow of a boat in the Han River, and Zheng Yunming looked sideways at the incense burner, which was about the time of the third watch.

"Meng Puyu is really a person who believes in his word, and the agreed time is exactly the same." Zhao Kui put down the speculum and said to everyone: "Our army is also attacking!" ”

The flood and drought gates of Xiangyang were opened together, and the drawbridge creaked and creaked, and the victory in the previous fierce battle made the enemy dare not force the city wall too close. Once they approached the city walls, they were bombarded with trebuchets and cannons, so that the Song army's death squads no longer had to fight down the city like the Jin people. Instead, he opened the door in a dignified manner.

More than 1,000 crossbowmen, spearmen, and sword and shield bearers streamed out through a crack in the open door, each with a piece in their mouths, silently diving into the darkness of the night. But they weren't the protagonists of tonight's stage.

On the south gate, Bai Yijie carefully inspected the horse team that was about to go out, and there were a total of 500 cavalry attacking, including 120 cavalry of the Jing Chu army's own heart, 180 of each of the two armies of the White Army, and 20 envoys of their own personal guards, which can be said to be the essence of the entire Xiangyang defenders.

Zheng Yunming, and even Zhao Kuiken invested such a large amount of money to dispatch five hundred cavalry, just to send two light vehicles to the top of Wanshan Mountain. These two light vehicles were originally mobile gun mounts secretly driven by Zheng Yunming in order to drive field artillery. This is also one of the technical development projects of the Jingchu Army, the gun carriage is modified from a large car, and a large number of metal components are used, on the one hand, in order to increase strength, on the other hand, to reduce weight, so that the gun carriage can keep up with the march of the general infantry, and even keep up with the march of the cavalry, such a technology is not possessed by the current vehicle. Not to mention the kind of two-wheeled chariot that Zheng Yunming used at the earliest, needless to say, the two-wheeled chariot pushed and pulled by manpower was slow, and it was impossible to maneuver with the erratic cavalry. It is said that the recoil of General Copper and General Bamboo is also very different. General Zhu can shoot on the spot with a nail on the ground, and General Tong will handle it accordingly, and the entire chariot must fall apart. Therefore, it was necessary to develop a new type of gun carriage that could be towed by pack horses for the copper and iron generals, which in addition to being light and strong enough, also had detachable wooden stake feet to absorb the recoil of the copper general. The carpenters in Xiangyang were extremely satisfied with their new creations, and even gave this new two-wheeled vehicle the reputation of "a thousand miles of car".

However, the ten new gun carriages that were so carefully built were two of them taken away by Zheng Yunming. Each gun carriage was towed by three horses, and the contents carried on it were carefully covered with felt cloth. These two chariots and horses were the valuable supplies escorted by the entire five hundred cavalry. In other words, whether or not they could retreat from the more than 100,000 male soldiers outside the city was only on these two carriages.

"After leaving the city, sneak through the road, remember, time is life, if you can't send these two cars to Wanshan before dawn, and wait for the enemy cavalry to appear on you, the big thing will be over." Bai Yijie instructed with a solemn face.

Wei Zugui, who was dressed in the uniform of a hundred Mongolian households and tied up with a white linen cloth on his left arm as a mark, was the main general of this surprise attack, and the original meaning was that Zheng Yunming wanted to use Zhu Sheng to lead this cavalry team as a cavalry commander. However, Zhao Kui personally ordered Wei Zugui to lead this special attack team in the name of the commander of the Command of the Commanding Envoy. Obviously, in addition to considering that Wei Zugui's experience in fighting horses was far richer than that of Zhu Sheng, who was born as a scholar, the envoy did not have the implication of cultivating henchmen to get rid of his dependence on the Jing Chu army.

"So-and-so remembered." Wei Zugui clenched his fists and promised, and said: "This thing of the official is on the battlefield for the first time, and the most important thing is not to blind the brothers." ”

Bai Yijie said with a smile: "Although it burns in Shuangjing Nineteen, isn't it still enough to dispel the doubts of Commander Wei?" ”

"It's one thing to be at the proving ground, it's another thing to be on the battlefield." Wei Zugui smiled bitterly: "When the time comes, I only hope that the children will remember to light the torch and light it well." Zheng Guanren was so keen to rush new weapons into the battlefield, which was not necessarily a good thing for warfare. ”

Bai Yijie said seriously: "The officials are already reflecting on this matter, but this mission is really difficult to accomplish without this thing." Please use it with care. ”

Wei Zugui said yes and shouted to everyone: "All get on the horse and get ready to attack!" ”

Five hundred knights stepped on stirrups and mounted horses, and the five hundred men were all dressed in the Mongol army, and Wei Sheng and Han Feng each held a banner of the Mongol army at the forefront of the ranks. The cavalry came out quietly from the south gate, and all the mounts took off their bells, wrapped their hooves with straw, and headed straight to the south. Bai Yijie watched the last cavalry disappear into the night, and then ordered the city gate to be closed, and he went straight to the West Gate Tower where the envoy and Zheng Yunming were. At this time, there was already the sound of fire and shouts of killing in the distance.