In Li Guangshun's plan, he led the army to return to Pyongyang sooner or later, so the pontoon bridge was naturally left on the Sashui River, and in the end, it was cheaper than the more than 10,000 cavalry soldiers led by Wang Junlin.

There was a ready-made pontoon bridge, Wang Junlin naturally would not be polite, and immediately ordered the whole army to cross the river, and after the whole army crossed the river, Wang Junlin directly ordered the pontoon bridge to be dismantled, and there should be no slabs left on the river surface, and then ordered to continue to march towards Pyongyang.

The Sashui River traverses the north and south of Goguryeo, there is no shortcut except to cross the river, the pontoon bridge is dismantled, and Yuan Taizuo, who got the news and led the army to come back to help, can only rebuild the pontoon bridge by the river, this delay is not to say that it is another night, and Wang Junlin has more time.

……

……

In the dark night, the night wind howled, and the city of Pyongyang lay quietly between heaven and earth like a monster. Zhang Tiangang, the captain of the special combat team, was lying on the ground in black, and at the end of July, Goguryeo was already cool in the middle of the night, and the strong wind penetrated through the clothes and invaded the flesh and bones.

In front of the city wall, there is a moat about two feet wide, and if you want to climb up the castle, you must first dive through the water at night.

Zhang Tiangang lay on the ground, looking up at the few dead wind lamps hanging on the city gate building, there were no guards in the city at all, maybe the people in Pyongyang City did not think at all, after they defeated and drove away the million-strong army led by the emperor of the Sui Dynasty, there would be a Sui army to fight them in Kyoto.

Therefore, the few defenders of Pyongyang have gone into the city gate or the caves. Listening to the faint sound of bangzi in the city, Zhang Tiangang lowered his voice and said to several subordinate generals around him: "Second watch, we have to do it, wait a minute, I'll go first, you will follow, remember, you must not make a noise when you go into the water." ”

After Zhang Tiangang finished speaking, he made a few gestures, and the special combat team masters who were lying behind them took out a small stick from his arms and put it in his mouth, not to make a sound, but to prevent him from being stimulated by cold water and making a sound after entering the water.

Zhang Tiangang writhed on the ground like a water snake, his posture was strange, but the speed of eccentricity was extremely fast, and in the blink of an eye, others saw Zhang Tiangang slide into the water silently, and with a slight slide of his outstretched arm, a waterline quickly expanded to the opposite bank.

Seeing Zhang Tiangang go ashore, the other team members swam across the moat in turn in groups of ten and stood against the wall. Looking up at the nearly five-zhang city wall, everyone looked at Zhang Tiangang together.

Zhang Tiangang stretched out a finger, nodded his nose, and signaled that he should come first, such a high city wall, the city wall is slippery, and if you don't pay attention to it, there is a danger of sinking the halberd.

Stretching out his hand to tighten his shirt and pulling the hook tied to his waist, Zhang Tiangang quietly floated towards the city wall for a while, and found a corner of the city wall. He took a deep breath, stretched out his ten fingers, grabbed the brick crack, shrugged his body, and slowly climbed up. Hundreds of special combat team masters held their breath and nervously watched Zhang Tiangang like a gecko, slowly climbing up inch by inch.

It has been raining some time ago, the city wall is soaked by rain, slippery hands, although Zhang Tiangang is very good, but still feel extremely hard, after climbing halfway, ten fingers are sore, almost unconscious, toe to find a good foothold, kick tightly, let go of one hand, pull out a sharp knife from the waist, slowly go along the brick crack, until there is no handle, reach out and grab the handle of the knife, then let go of the other hand, shake the fingers, move the joint, breathe lightly, he must rest.

The whole person is attached to the wall, and it is necessary to ensure that it does not make a sound, all relying on the strength of the fingers, at this time, if a strong wind blows, it is possible to blow him down.

After a little trimming, Zhang Tiangang began to climb up again, little by little, inch by inch, and finally, when Zhang Tiangang felt that he was about to be unable to support it, his hand put on the stack, and with a fierce effort, the whole person turned up to the city, and quickly lay on the ground, snake-shaped to the dead corner of the light, and looked around vigilantly, there was no one on the city wall, it seemed that the city of Pyongyang had not fought for many years, and the sentinels were slack.

Unhook the rope from your waist, hook it firmly on the pallet, and gently lower the rope. A moment later, Zhang Tiangang deftly climbed up along the hook rope, and put down the hook he was carrying.

At the third watch, 200 masters of the special combat team went up to the city wall and squatted in the shadows above the city wall.

Zhang Tiangang gave one order after another through gestures, before that, Shen Guo'er had already made the structure of the city tower on Pyongyang, the hiding cave and other soldiers' rest places clear by the Ministry of Security, and everyone in the special combat team had already known it by heart before tonight.

At this time, they only need to follow the map, find these people to kill, and control the south city gate.

The master of the special combat team pulled out the dagger from his waist, and the sharp dagger was painted with black paint to prevent the reflection of light, and the two hundred people were divided into more than a dozen squads and quickly pounced on their targets.

The wooden door of the cave was quietly pushed open, and the sleeping soldiers did not realize that death had crept upon them, and they were still asleep, their unfastened armor piled up on the ground, and their swords and spears stood by the wall.

The master of the special combat team quietly touched the top of these soldiers' heads, looked at each other, and raised their hands at the same time, and the sound of porphyry sounded almost at the same time, and even a miserable scream was not made, and dozens of Goguryeo soldiers in this hidden soldier cave died in their sleep.

At about the same time, a similar scene was being staged in several caves on the southern city wall.

Zhang Tiangang personally touched the Nancheng Gatehouse, which was still lit, and in the doorway, two soldiers were holding their weapons in their arms, leaning against the door and dozing. Zhang Tiangang knew that there was a guard on the south city wall who lived here.

Zhang Tiangang and the two touched behind the two, the two soldiers were still unconscious, the two of them shot at the same time, grabbed the heads of the two soldiers, and pulled hard, there was a soft sound, and the soldier's head suddenly deflected at a strange angle, and the person was naturally dead.

Zhang Tiangang pushed the door open suddenly, and the man on the bed inside was startled, and as soon as he got up from the bed, he saw a cold light flying towards him, which was so fast that the man had no room for resistance, so he didn't enter his throat, and fell down with a clatter.

There was also a woman on the man's bed, and before Zhang Tiangang's woman's exclamation could be spoken, the cold light swept by, and blood splashed all over the bed.

Zhang Tiangang solved the two people in the room in the lightning, carefully checked that there was no one else in the room, and then exited the door, closed the door, and when he came to the city wall, the master of the special combat team who had completed the task was already waiting there.

Glancing at his subordinates, Zhang Tiangang nodded with satisfaction, so far, the operation has been carried out almost perfectly, and his subordinates have not even splashed a drop of blood on their bodies.