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At this moment, everyone looked at each other.

When it comes to this step, it is equivalent to directly blocking Youyou's mouth, and no one has anything to say.

No one is bored to jump out, and everyone has their own measure in their hearts.

Helpless, the temptation is too great, not to mention whether you can get a glimpse of Cangguo's technology and steal some useful crafts to return to your home country for development, just say that the lingering curiosity in your heart is also impossible to refuse.

Besides, if Cangguo really wants to do something to everyone, why can't he enter the industrial city?

More than a dozen breaths passed, and some emperors figured this out.

Among them, there are the Emperor of Chu, the Emperor of Ruan, the Emperor of Cang, the Emperor of Jin, the Emperor of Yun, the Emperor of Wu, and so on......

Several emperors were the first to enter Cangcheng, and the rest of the emperors also hesitated for a while, and then told their cronies to enter.

When you enter the city, you can see it numb.

On the city wall, the crossbows are densely packed, and the layers of heavy soldiers are guarded, and the watchtowers can be seen everywhere in the city, there are almost no dead ends, and there are checkpoints everywhere, which are strictly abnormal.

Under such strict guard, it is difficult for a fly to fly in!

Although in the bottom of their hearts, everyone knew that these guards around them could not have malicious intentions, but they inevitably still had some fear, and they couldn't help but feel a chill on their backs.

After crossing the first level, everyone realizes that there is another door inside.

It is not a wooden gate that opens left and right, but an iron gate that opens up and down, if an enemy army forcibly attacks the city gate, the industrial city only needs to cut the noose, put down the gate, even if the enemy outside the city tries their best, it cannot break through the city gate, which greatly improves the defense capability.

Moreover, when combined with the first gate, it can play an internal and external attack, trapping the enemy between these two levels, and then slowly annihilating.

"Your Majesty!"

A team of officials had already greeted them, and when they saw Yang Mu, they immediately knelt down to pay respects.

They are the special officials of this industrial city, directly subordinate to the three departments of the Ministry of Officials, the Ministry of Industry, and the Ministry of Science and Technology.

"Excuse me."

After saluting each other, Yang Mu raised his hand and said, "Today, I came to visit the Industrial City with the monarchs of all countries, I don't know how everyone is prepared?" ”

The so-called preparation, of course, means hiding those secrets that cannot be revealed.

For example, the proportion of movable type printing and papermaking raw materials, etc., or the flowing forging process of steel, these are not allowed to be seen by outsiders, although these emperors do not understand, but among the people around them, there are not excluded people who know.

Especially if you know the principle of movable type printing, you can figure it out sooner or later if you go back and order all the craftsmen of the whole country to tinker with it.

Although the manufacturing process of the big white paper is in the hands of Cangguo, it is not excluded that everyone will buy white paper from Cangguo and then print some pamphlets to provide ideological enlightenment.

As for the forging of some other weapons, it doesn't hurt to let people take a look, anyway, those war weapons that are made with precision and complicated parts are not something that can be figured out overnight, and it is no exaggeration to say that even the workers who work all year round cannot do it alone, whether it is production equipment or technology, it is not something that can be plagiarized casually.

"Your Majesty, rest assured, the minister has made arrangements." Zhang Zhen, the city lord, replied vaguely.

Seeing this, Yang Mu nodded and said with a smile: "Then there is Lao Zhangqing to lead the way, and by the way, I will introduce the industrial city to me and the emperors along the way." ”

"Yes." Zhang Zhen gave up his hand and respectfully made a gesture of invitation.

Suddenly, Zhang Zhen seemed to think of something, stopped and arched his hand: "Your Majesty, the industrial city is too special, and the minister wants to tell you that in order to prevent the peeps and spies in the city, a lot of organs have been specially set up...... I hope that even if you are curious, you will not touch something at will, if there are any casualties, it will be difficult for Weichen to atone for his sins. ”

"Organs?" Immediately, Xiong Minne, the emperor of Chu State, smiled and said, "Is it a very dangerous and hidden mechanism?" ”

The rest of the emperors all nodded their heads and looked around, and then looked incredulous.

Obviously, everyone took it as a threat.

Hearing this, Zhang Zhen didn't explain too much, took a spear from the guards around him, and threw it into the open space on one side.

I saw that the floor that was thrown was dented, and from several rockeries around it, dense arrows were sprayed, and a large area was covered by arrows, and sharp arrows pierced deep into the ground.

In a dense and scalp-tingling sound, a second wave of arrows arrived.

This scene caused the emperors of various countries to shout.

Miracles!

How did you manage to trigger such a large-scale attack with just a single trigger?

In everyone's impression, the so-called mechanism is just some hidden furnishings, such as the secret passage of the palace, special switches, or stone doors and the like, which can be called mechanisms, but such a subtle and powerful mechanism is the first time everyone has seen it.

It's a refresher!

As you can imagine, if someone had gone to that clearing just now and triggered the mechanism, then there would be absolutely no escape.

Not to mention ordinary people, even martial arts masters can only die a tragic death.

Chu Minne, the emperor of the Chu State, opened his mouth and barely squeezed out a smile: "It's really a powerful mechanism, you can't just mess around later." ”

As he spoke, he swallowed his saliva and couldn't help but glance a few more times at the brick walls above and on both sides of the city gate.

It can be seen that even the male lord of a country has some lingering fears about this organ.

In fact, Yang Mu also saw the trigger of the mechanism for the first time.

Needless to say, it must be that in the past two years, the Ministry of Science and Technology has created springs and gears, otherwise, even Yang Mu would be difficult to figure out what principle is used.

A moment later, under the leadership of the chief bookkeeper Zhang Zhen, Yang Mu and the others followed inside.

On the way to the depths of the city, Zhang Zhen also actively introduced and explained, and the emperors of various countries also looked at the city by themselves.

They found that the defense in the industrial city was really tight, which could be called five steps, one post, ten steps and one sentry, not only were there guards with weapons everywhere, but even obstacles such as rejecting horses, iron fences, and rejecting horses could be seen everywhere, which was even stricter than the front line of the battlefield.

Stopping at one of the nearest checkpoints, Zhang Zhen explained: "Whenever someone enters the city, they will search it when they enter the city, and show their tokens and documents...... Hehe, only your own people are allowed to enter and exit the industrial city. "Mobile phone users, please browse m. to read, a better reading experience.