Entering the backyard through the yahall, at a glance, Li Mu found that the surroundings had changed a lot. The rockery was torn down, the pond was filled, the pavilions and pavilions were demolished, and a huge and smooth martial arts arena appeared in the mansion, which showed the owner's preferences very intuitively.

In the night, the lights in the several houses next to the martial arts arena were brightly lit, which was extremely prominent. Through the faint light, Li Mu vaguely saw several giant machines placed in the corner of the martial arts arena, and the curious Li Mu ignored Zhao Jie's obstruction and went straight forward to find out.

"It's a stone thrower!" Li Mu pointed to a machine made of the principle of levers and asked: "The long arm is placed on a boulder, and the short arm is pulled by manpower, which is a weapon of war, but the disadvantage is that it is too manpower-consuming!" ”

"In my lord's words, I deserve to be a person who has been in battle for a long time. In order to solve the shortcomings mentioned by the adults, I recently recruited a few Mo family disciples to develop a new version of the trebuchet, in order to reduce the consumption of manpower. Zhao Jie replied when he heard this.

"No wonder I look at it and feel a little familiar, but it feels very different!" Li Mu continued to ask, "Can you tell me about the difference?" ”

"Absolutely!" Zhao Jie replied without thinking: "The difference between the new version of the trebuchet and the old version of the trebuchet is that it hangs a heavy object on the short arm in advance, and a thick rope is tied at the near axis of the long wall, and before launching, the long arm where the ammunition is placed is pulled down with a winch traction thick rope, and then the ammunition is placed in the ammunition bag at the end of the long arm, and then the winch is released or the rope is cut, then the short arm falls under the action of the heavy object, and the stone bullet is thrown at high speed and flies to the target. ”

"Sounds good, but when will it be officially used in war." Li Mu asked with a little expectation.

Zhao Jie smiled when he heard this, and then replied: "The machine in front of you is still being improved, and it is estimated that it will take a while before it can be officially put into actual combat." ”

"Then I'll wait for your good news." Li Mu said with a smile as he continued to walk towards the brightly lit house.

"What is this and what is it for?" Li Mu walked to the front of the house and asked, pointing to the pulley hanging on the beam.

This is the latest machine developed by the Mohists - pulley, which can be connected to the city pulley group through the rotation of the rope. In our lives, using a pulley block to lift things can save a lot of manpower. The fact that the walls of Heijo were built at such a rapid rate depends on it. ”

"It's also a good invention, both practical and convenient." Li Mu continued when he heard this: "After a few ****, let the people in the craftsman camp also come to learn, you must not hide it!" ”

Zhao Jie laughed awkwardly, then pushed open the door, and Li Mu followed Zhao Jie into the brightly lit room. There were some discarded glass lenses randomly placed on a seat near the door, Li Mu looked around and found their existence, and couldn't help but exclaim: "Colorless colored glass, the price is more than a thousand gold, I didn't expect you to have so many here, but this shape is a bit strange." ”

After continuing to take a few steps forward, Li Mu saw a scene that surprised him--he saw that several disciples of the Mo family were holding the glass and constantly polishing it on the grinding stone, and the glass in their hands gradually turned into the glass he had just seen. "Such a precious glass, you actually polished it into such an unbearable shape, what do you want to do?" Li Mu asked puzzled, with a little anger in his tone.

"I want to make a thousand miles out of glass. The clairvoyant, as the name suggests, is a tool that allows you to see things thousands of miles away. ”

"See something thousands of miles away!" Li Mu asked puzzledly, "Is it possible?" Zhao Jie didn't answer anything, just nodded.

Li Mu saw that Zhao Jie was reluctant to say more, so he continued to move forward. Then Zhao Jie led Li Mu to see the crossbow machine that could fire dozens of big arrows and countless small arrows in a row, and the steering machine controlled by two people and could turn to shoot.

"Looks like you're a really strange place!" After browsing back and forth, Li Mu exclaimed.

"Thanks for the compliment." Zhao Jie responded modestly, and then persuaded Li Mudao: "It's not too early, please go into the guest room and rest in peace!" ”

At this moment, the sound of a watchman came from outside the wall. "It's good!" Li Mu responded, and then went to the guest room to sleep under the guidance of the maid in Zhao Jie's mansion.

Early the next morning, Li Mu said goodbye to Zhao Jie, without a trace of care, and left Pingcheng with great dignity and went to Shanwu City.

"Your Highness, the second group of people from Handan will arrive in Pingcheng in a few days!" Not long after Li Mugang left, Zhao Yin suddenly found Zhao Jie and announced to him.

"Great, if they don't come again, Lao Tzu will really become a poor egg." Zhao Jie was overjoyed when he heard this, and the sadness of parting dissipated instantly.

Hearing this, Zhao Yin couldn't help but smile bitterly and continued: "The snowstorm is also coming, and I am afraid of ......."

"Don't crow's mouth! There are unforeseen circumstances, how can you be sure that a snowstorm is coming! Zhao Jie interrupted Zhao Yin's words and continued.

Zhao Yin pointed to the northern sky and didn't say anything more, but it was obvious that he had completely conveyed what he was thinking to Zhao Jie.

Anyone who lives in the Northland knows that when the clouds cover the horizon, it is when a blizzard gradually hits. "Zhao Yin, do you think we can do something?" Zhao Jie asked with a slightly gloomy expression.

Zhao Yin closed his mouth tightly and did not answer. Zhao Jie muttered to himself again: "Could it be that we can't do anything this time?" ”

Zhao Yin also said to himself: "Only pray! ”

―――――――――――――――――――――――――――――――――――――

The dark clouds are approaching Pingcheng day by day, Zhao Jie's heart is being tightened day by day, and he climbs the high city wall every day without stopping, and he takes the trouble to look into the distance, but there is still no trace of people from Handan on the field.

Five days later, the clouds finally defeated the weak sun and became the protagonist and king of the sky over Heijo, and when the blizzard was about to fall, a mighty convoy appeared on the ground in the south.

"It's them, it must be them!" Zhao Yin said excitedly: "They came in time!" ”

Zhao Jie also breathed a deep sigh of relief, he smiled and ordered Zhao Yin: "Go and organize the people to boil water and cook, and wash the dust for them." ”

Not long after, the second batch of immigrants from Handan braved the cold wind and arrived at the gate of Pingcheng one after another, and the people of Pingcheng welcomed these uprooted people into the city with a warm attitude under the organization of Zhao Yin.