However, this is also the great thing about the designer of this underground building, he designed all the relatively important rooms in some places that are easy to be overlooked, and only those who know the inside story can be like a fish in water here, so as to ensure that the Liu family can have the absolute initiative here.

The secret door here is manual, so we don't have to pry the door, Liu Jinzhong opened the secret door and first probed in to take a look, and then turned back to me and Hu Tu beckoned: "The space inside is relatively cramped, after you go in, be careful not to touch anything, I heard that there are some very deadly mechanisms inside, in case you touch it by mistake, the people above will be dangerous." ”

Hu Tu and I nodded in understanding, and then Liu Jinzhong got into it with a short body, and I squatted down and was about to follow, when I was suddenly grabbed by a hand stretched out from behind me.

"What's wrong?" I looked behind me and whispered to Hutu, who was pulling me.

Hu Tu squinted his eyes and glanced into the secret door, leaned into my ear and whispered, "Be alert when you go in, I feel that something is wrong with this kid." ”

I was stunned and thought to myself, what's wrong with this? Hutu didn't explain much, just gave me a "careful" look and let go of his hand.

"What are you doing in a daze? Come on in! Liu Jinzhong's urging voice came from the secret door, probably because we were a little anxious to see that we didn't follow up, I glanced back at Hu Tu again, and then got into it with a question mark on my head.

This dark passage is not long, at most three or four meters, I have been used to drilling underground for so long, and it didn't take long for my hands and feet to climb to the exit, Liu Jinzhong was standing next to him holding the secret door with one hand, and looking around with a flashlight in the other hand.

I drilled out of the secret passage and subconsciously stood away from Liu Jinzhong, and then I settled down and began to look around, and at a glance, I found that Liu Jinzhong was right, this room was not only cramped, it was simply cold!

The whole room is only about two or three square meters, and there are countless lever devices on the wall facing the dark passage, and there are many symbols composed of radicals engraved on the handle, and I don't know what it means, some levers are on the top and some are below, indicating that some mechanisms have been activated here.

There are many brass horns scattered on the walls on the left and right, I look strange and want to take a closer look, just get close to hear a kind of speaker faintly from Hao Jian's voice, stunned for a moment before realizing that this is actually a set of listening devices!

I've heard my grandfather say before that this kind of listening device is very old, but it is very stable and effective, and there must be a lot of sound collection equipment hidden in those corridors and rooms, and the sound collected is transmitted here through brass pipes and things like that, as long as you know which speaker corresponds to which area, you can know the wind and grass in the whole underground building without leaving your home.

Although the effect of this kind of monitoring equipment is not as good as the current surveillance camera, it is better than using physical principles, so there is no need for electricity or other energy sources, as long as the copper pipe used to transmit sound does not fail, the people in this room can fully grasp all the movements in other areas, and then use the lever device on the opposite wall to start the mechanism, it can be said that it is a lot of time!

I was secretly surprised here, Hu Tu also came out of the dark passage, he was also stunned when he saw the brass horns all over the wall, but he never liked to be nosy, so he was just stunned for a moment and shifted his gaze to Liu Jinzhong: "Don't rub it off, hurry up and start the mechanism to retreat!" ”5200

Liu Jinzhong didn't talk nonsense, nodded and went to the wall full of lever devices to look for it, I knew that he was looking for the mechanism to activate the secret door, so I didn't bother, and Hu Tu stood behind each lit a cigarette and waited patiently.

As soon as Liu Jinzhong was halfway through the cigarette, he beckoned us over, and then pointed out the three downward levers and said, "Each person chooses one, and I'll count three two one later, and push it up together!" ”

Hu Tu and I stepped on the cigarette butt and stepped forward to hold the lever, before Liu Jinzhong counted down, I subconsciously looked at the one in my hand, which was composed of three words with several radicals, although I didn't know what it meant, but a large number of fire words next to me suddenly had an ominous premonition.

Looking at the lever in Hu Tu's hand again, there are also three symbols, but his three symbols use a lot of soil characters and stone characters, and the lever held by Liu Jinzhong is a bunch of dense dots, I squinted for a while before I recognized that it was countless three points of water and two points of water.

I don't know what the Liu family designed these symbols on the basis of the original, but the more I think about the radicals next to the word water, next to the word fire and next to the word earth, the more I feel that something is wrong, and I can't help but pat Liu Jinzhong and ask suspiciously: "Are you sure that these three levers control the secret door?" Why do I think something is wrong? ”

"Of course I'm sure, the old man drew it for me before I came down, and there will be no mistake." Liu Jinzhong replied casually without thinking about it, his tone was firm and seemed to be fine, but the eyes he kept avoiding me when he spoke made me feel more and more wrong!

Before I could continue to ask, Liu Jinzhong had already grabbed the lever and shouted directly without looking at me and Hu Tu: "Three! Two! One! Push! ”

I was pondering the feeling that something was wrong just now, and I couldn't reflect what I was doing in my head, as soon as Liu Jinzhong's word "push" came out, Hu Tu and I almost subconsciously pushed the lever up, and then I heard a series of sounds of mechanism operation from the wall, Liu Jinzhong's face couldn't control a touch of joy, raised his eyes and looked up and shouted to me and Hu Tu in a low voice: "It's done!" Evacuate! ”

After saying that, Liu Jinzhong turned around and walked towards the secret door, but I stood there without moving, because at the moment when Liu Jinzhong raised his eyes to look up just now, I clearly saw that his eyes turned upward, but there was a dark brown round object in his eyes that stopped in the middle!

"Contact lenses!"

I secretly said in my heart, Liu Jinzhong has lived alone in the mountains for seventeen years, and he doesn't look like the kind of person who likes stinky beauty, so he doesn't wear contact lenses for beauty, but to cover up his real eye color!

Thinking of this, I suddenly felt a sense of annoyance, since I found out that the boss was pretending to be Liu Yunsheng, I have been on guard against someone using the disguise technique to mix with me, but I didn't expect that the day and night defense ended up being a hundred secrets, and the most terrible thing is that I actually helped the other party do something that I don't even know the consequences!

At that time, I didn't mention the depression in my heart, I strode to catch up with Liu Jinzhong, who had already entered the secret door, directly grabbed his ankle and dragged the person out, and before he could speak, he directly pulled out a knife and put it on his neck, almost against his face, and shouted coldly: "Say!" Who are you! ”