Thinking of this, Bai Liyan asked the centurion of the Liang army led by him:

"The well is clogged."

"Back to the general, the well seems to have been silted up from the ground, so I came to repair it. However, it is also strange to say that there was too little water in the well when the water was pumped yesterday, and many wells were silted up after the water was pumped, so I came to dredge and repair it today. ”

"Is this not the only well?"

"Yes, General, as far as I know, eleven of the dozen wells in the eastern part of the city have been silted."

Bai Liyan was taken aback when he heard the news, and he hurriedly asked:

"Eleven wells are dead?"

"Yes, it's weird or not."

"Hiss......"

Bai Liyan secretly felt that something was wrong, and he hurriedly ordered the guards to go to various places in Liang County to understand the situation, and after two quarters of an hour, he found that there were forty-seven wells in the whole city, and there were silting and stagnation of the water level to varying degrees. Thinking of yesterday's water cut, the more Bailiyan thought about it, the more strange it became.

It is not impossible for one or two wells in the city to be silted up at the same time, and the silting of three or four wells may be due to the itching of many people's hands and throwing some sunken debris, but more than 40 wells are silted, and the probability of this accident is too high, and there must be a necessary reason.

If it is a seasonal factor that causes the amount of water to decrease upstream, the groundwater level drops, and the water network reserves are reduced, but it does not make sense that the water level stagnates overnight. And only Liang County had this situation, Bai Liyan specially called Zhao Huan to confirm that Yongping water supply did not have a problem with the well.

In other words, even if the upstream water is reduced due to seasonal factors, it is not enough to affect the groundwater in Liang County, and the only explanation is that the groundwater in Liang County has been lost in large quantities for some reason, so that the water level cannot be restored.

"Oh no, it's a tunnel, they're digging a tunnel!"

At this time, the wild wave said:

"I don't rule out the possibility of that."

"Didn't you notice it?" Bai Liyan asked.

"There is no way, since mid-to-late August, they have been carrying out sporadic shelling of forward positions, which has seriously affected my collection of sound information, and the purpose of their shelling and harassment is obviously to cover up the noise and vibration generated by the underground work to be discovered by you."

"You are saying that their purposeless shelling for the past two months is to cover up their true intention to dig tunnels!"

"Now I can only explain this, based on the results of my simulation calculations, their manpower efficiency is three times that of yours, and if you put in the beastmen, the efficiency will be even higher.

If they had started digging from 30 miles away, after two months of operation, they would have already dug through Liang County, which was south of Liang County, and if it was for other tactical purposes, it could not be ruled out that they would dig up a number of large underground spaces under Liang County and the forward positions, and then plant explosives to blow up tens of thousands of people to the western sky. ”

Tunnel warfare is the most primitive tactical means, and cold weapon warfare is mostly seen in siege and camp sieges, and of course it is also used in trench warfare.

However, the civil engineering operation of tunnel warfare is restricted by manpower, delivery efficiency, battlefield environment and time, and is not a panacea tactic, and digging tunnels requires a lot of manpower and time.

Of course, Bailiyan also thought about launching a cave battle, but the manpower delivery efficiency of the cave battle is not high, it takes a lot of time and manpower, and at the same time, the armpit people have a night field of view, and their physical strength has an absolute advantage, if the troops are insufficient, the attack will fail, and even cause large-scale casualties.

But he ignored the armpit use of tunnel warfare to attack him, the armpit giant's physical strength is quite amazing, and the mad beastman is even more so, one of them can be equal to the strength and physical strength of three human strong laborers, two months of non-stop digging, digging through a few or even a dozen thirty-mile-long tunnels is still less.

If the passage is converted into a large independent space, it is enough to dig out several underground spaces under the forward position of the Xian army and Liangxian County, and then bury ammonium nitrate explosives, which is enough to send tens of thousands of people back to the western sky.

At this time, Baili Yan's back was bitterly cold, and her heart was like a boulder, and she felt that the situation was serious. He returned to the tent and carefully examined the photographs taken by the aerial bombardment of the previous days, and found nothing unusual in the photographs.

Such a huge project requires the transfer of a large amount of earthwork and the mobilization of tens of thousands of manpower, which cannot be hidden.

"Hell, can they still eat the earthwork when they dig the Jedi Tunnel!"

Bai Liyan was annoyed, and then the wild lan said:

"I judged that they should do their homework on the excavation in the Crow Forest."

"But no matter how hidden it is, hundreds of thousands or millions of square meters of earthwork must have a place to go, and it is not something that can be hidden."

"But don't forget, human minds and bodies are not on the same order of magnitude as theirs, and it's very easy to achieve this covert effect.

The scope of your reconnaissance is limited to the vicinity of the battlefield, and they know very well that in order to avoid human detection, it is impossible for the earthwork to be transferred from the ground nearby, so they should dig an entrance in the black crow forest thirty miles away from your forward position, dig multiple or even more than ten tunnels in the direction of Liangxian on the one hand, and dig a tunnel in the direction of Vortex Bull Beach on the other.

The Crow Forest is located in the middle of the two, and the earthwork is transferred from the north and south tunnels, and then poured into the wetlands of the Vortex Cow Beach, so that the earthwork can disappear without realizing it.

If it is further speculated, the tunnel leading to Whirlpool should be a rectangular circular tunnel, and only the circular operation will be enough for them to carry more earthwork. ”

"You're saying they've filled the Crow Forest with earthwork in an attempt to fill out a fixed port!"

"It should be, judging from their movements in the past month, it is clear that the increase in cargo volume is that they have filled in more solid ground, otherwise the original temporary wharf and the wetland road opened up cannot explain the increase in freight volume."

"Damn it!"

Bai Liyan scolded, her face turned blue and black, and then she asked:

"What are you going to do now?"

"What do you suggest?"

"No, it's not at all clear what's going on underground. At worst, they would have planted a large amount of explosives underground, and the best option would be to evacuate. But I know there's no way you can do that, so all other options and suggestions increase the risk of detonating underground explosives. ”

When the voice fell, Bai Liyan picked up the phone at hand and called Mo Yunfeng, Jiang Jie, Zhou Kong, Zhao Huan, Peng Zhi, Yu Kang and others, inviting everyone to come quickly.

About a quarter of an hour later, Yu Kang and Zhou Kong arrived at the Chinese military tent first. Seeing Bai Liyan's face pale, Yu Kang thought that Bai Liyan was looking for him to settle accounts for the theft of military funds last night, so he was a little weak-hearted, and he asked carefully:

"I don't know what the Marquis of Yongxing has to say."

"Let's all sit down first."

"Oh......"

Yu Kang sat down carefully, and when Zhou Kong also sat down, Bai Liyan restrained the malice on his face, and said to the two first:

"General Yu, there are more than ten wells in your military city that have been silted."

"Yes, I am urging the soldiers to clean the wells in case of emergency."

At this time, Zhou Kong frowned and hurriedly said:

"Why, is the well in the east of the city also silted?"

Yu Kang was very surprised when he heard Zhou Kong's words:

"So the water in the south of the city is also silted."

Zhou Kong seemed to have thought of something, and his eyes suddenly became sharp and looked at Bai Liyan:

"Swallow, you must be suspicious of the underground!"

Bai Liyan nodded emphatically and said affirmatively:

"It seems that General Zhou also saw the clues."

"Needless to say, when the city dug a secret passage, the underground undercurrent in the city poured into some tunnels, causing the well water to drop, if it was caused by the season, it would never cause the well water to dry up."

Before the Zhoukong garrison Zhaocheng, Fang Ke had dug tunnels in search of gold mines, and the underground water system of Zhaocheng was abundant, and the excavation of tunnels destroyed the stability of the underground water system, and the water naturally flowed into the tunnels, and the loss of water sources indirectly caused the water level of the wells in the city to drop, but it was not serious to the point that the well water was exhausted and the water level of the small river dropped sharply.

This could only be the case in the underground of Liang County, and a huge underground space was constructed in and nearby, sucking away the groundwater.

Zhou Kong and Bai Liyan's words shocked Yu Kang, and he hurriedly said:

"The enemy is under our army, and if we fight all together at night, our army will not be able to defeat it."

"If it's just a secret passage, it's easy to do, I'm afraid that it will bury thousands of stone explosives in the ground and then detonate, and tens of thousands of people will die without a place to be buried."

"This ......" Yu Kang was dumbfounded, he had participated in the battle to extinguish the Black Turban, and he had seen a ruthless massacre, but where had he seen tens of thousands of people sent to the west in a few seconds.

Guan Yukang's voice was shocked, and Bailiyan said to him:

"General Yu, don't panic, there is still room for this matter to be returned, and this time the generals are convened to plan how to deal with this matter." After speaking, Bai Liyan turned to Zhou Kong: "General Zhou, you are good at digging tunnels, and you have a good strategy." ”

"Smoke, poison, and gasoline can drive it out of the tunnel, but if there is explosives underground, the consequences of the slightest carelessness will be unimaginable."

"Yes, I'm afraid of that. At present, our army can neither give up Liangxian, nor can we force them to take risks, and there is no good way to use it. ”

Regardless of the professional tunnel warfare that has been systematized, the use of poison gas, smoke, water, and gasoline to set fire to the underground warfare is the best measure to kill and injure the enemy.

But if there are explosives under the tunnels, these measures can exacerbate the situation at any time, forcing the armpits to start their plans in advance, even if they only kill and wound a few thousand people, and suddenly launch an attack on all fronts, they can achieve a landslide victory on the frontal battlefield.

The three of them had no good plan for a while, and the atmosphere became depressed, and then Jiang Jie, Mo Yunfeng and others rushed to the headquarters in the east of the city one after another, and Bai Liyan told everyone in detail about the situation.

"There's a plan that might be available."

"Oh, General Peng, please."

"At present, our army only knows that the armpits are digging tunnels underground, but they don't know the scale of their numbers, so even if it is too late to fight in cave battles now, it is better to make some explosions on the ground and collapse these tunnels."

As soon as these words came out, the generals suddenly opened the empowerment, and Baili Yan shouted hello:

"This plan is wonderful, this plan is really wonderful."

But at this time, Jiang Jie said:

"If it's too fake, I'm afraid it will be seen through by the armpits, and the scale is too small and the points are too few, not enough to collapse most of the secret passages, and how much ammunition does this cost."

Jiang Jie reminded everyone with a word, and Mo Yunfeng said:

"What General Jiang said is good, at present, our army still does not know where the axillary tunnels are, and it is necessary to collapse many tunnels, and it will be detonated in many places at the same time, so it is inevitable that it will be too fake, in case it fails to achieve the effect, it will retaliate against the armpits, so that it will not only lose a lot of arms, but also be retaliated against, I am afraid that the gains outweigh the losses."

Hearing what Jiang and Mo said, Bai Liyan fell into deep thought, and he asked:

"Do you think this plan is feasible?"

"First of all, we must know the depth and direction of their excavation, and if the depth is moderate and the key support points are found, it can indeed be effective. But if the depth is very deep, it depends on the total amount of energy you have piled up and the direction in which the energy is released and spread. How, do you want to try? ”

"Yes, although a large amount of arms will be consumed, compared to some arms, the loss of Liang County and human lives are unbearable."

Having made up her mind, Bailiyan said categorically:

"This trick is available."

When the words fell, Jiang Jie asked:

"If the effect is insufficient, what if it is seen through by the armpits."

"No, they won't see through it." Bai Liyan was full of confidence, looked at Yu Kang at the next moment, patted his right shoulder meaningfully and said, "General Yu, whether this matter is successful or not, it depends on you Liang Jun." ”

"Me!"

Yu Kang was taken aback, he knew that Bailiyan was scheming, and now that he was talking to him like this, he immediately thought that it was nothing good to be ironclad.

"Your Excellency is not joking!"

At this time, Bailiyan laughed, and he said:

"Hehaha, General Yu, rest assured, this matter will never be disadvantaged to your army. Ladies and gentlemen, from this day forward, we ...... like this."

Bai Liyan explained his intentions in detail to everyone, and soon began to act separately, so that night, some gunshots rang out sporadically in the city of Liangxian County, and the gunshots came and went in the next few days, but they were not on a large scale.

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