The original mural changed its color in the blink of an eye.

"Damn!"

Wu Xiaoxie and the others were shocked and dropped their chins.

"What? Do you do magic?"

"I'm so amazing, that's so amazing. Why did you turn another color in a flash?"

The fat man looked at the cigarette box in his hand a little doubted about his life. That's right, it was the Yellow Crane Tower that he wanted to come from the naive hand. Why did he have this special ability?

As soon as he saw his expression, Zhang Xun knew what he was thinking, so he pointed to the iron box placed under the mural and explained: "The key point is not to light a cigarette, but the powder in the canned box, look at it."

When the fat guys saw the canned box, they were shocked, "Why are the powder gone, it's burned?"

The red powder in the can box was actually lit by the cigarette inserted inside, and it was completely burned in just over ten seconds.

Zhang Xun walked over and reached out to touch the mural, and then asked them to see the red color on their fingertips. "This is a special method to hide murals. Red powder is a medicinal material ground by the petals of a plant. It is called Danlu Vine. As the name suggests, it is a flower that looks very much like the shape of dew drops. From blooming to fruition, there is only one petal, and the effect is a bit... "

The fat man squeezed his eyebrows and smiled a little thief, "What's the effect? ​​You just made me and Tianzhen hold your breath, was that one?"

Wu Xiaoxie didn't understand why at first, but when he saw the fat man laughing so slutty, he immediately understood and was a little far away from the cauldron. "Damn, why did your Zhang family put such things in the cauldron? They also put so many of them in wholesale? I thought it was dyed with colored incense ash."

"This has something to do with the tiny bugs on the mural I just mentioned."

Zhang Xunxun explained, "The smell emitted by the burning of Danlu vine is difficult to capture by human smell. If it is small, it will be metabolized quickly, but it has a great impact on these insects. Once the spring period enters, the whole body of these insects will become transparent and the real murals hidden below can be seen."

Wu Xiaoxie asked him, "What are the few sounds like knocking on the glass just now?"

"Oh, that's the mechanism buckle inside the mural has been activated. When the bugs are crawling and looking for a suitable spouse, the mural will change in weight, so the small mechanism behind is activated."

Zhang Xun explained casually and fed some water to the young man who had half opened his eyes at some time.

The young man's eyes circled Wu Xiaoxie and Fatty, and then fell asleep again.

Zhang Xun leaned over and carried him firmly, then raised his chins to Wu Xiaoxie and the others, "Let's go, hurry up and leave here."

The fat man looked left and right, wondering, "Where is going? There is no door open."

Wu Xiaoxie had already observed that the front foot of the Qilin landing on the ground was the shape of a three-legged tripod hidden in the flames. He immediately turned his head to look at the bronze round tripod in the center, and carefully looked at the wear and tear between the floor and the three beast feet.

Then he greeted the fat man and said, "Fat man, come on, let's take a walk of this big tripod together."

Zhang Xun was a little relieved. Wu Xiaoxie had an innate talent in observing mural texts. He was very good at finding the hidden differences.

It’s like an old tomb robber who has been in the middle of his life. Once he enters the dou, he can only look at it casually and know where there is a mechanism. This is a kind of keen perception that transcends the sixth sense.

The two of them held the edge of the cauldron and turned it clockwise first. Under their push, the cauldron slowly rotated with the original position as the axis.

After turning half a circle, the mural wall also began to rotate until the copper tripod rotated in a complete circle. The flip door on the mural was completely opened, revealing two three-person-wide gaps on the left and right.

"Where to go?" Wu Xiaoxie turned around and asked Zhang Wuxun.

"It's all the same." Zhang Xun took the lead in crossing the door, and there was still an upward staircase behind him. He deliberately avoided a stone brick at the two steps ahead.

The fat man and Wu Xiaoxie also hurriedly followed, stepped on the brick, and flipped over the door and turned back and closed it in an instant.

After walking along the stairs for more than ten minutes, the repaired stone path ahead became. The sound of water flowing in my ears and the air began to become wet.

The fat man couldn't help coughing a few times, and put on the gas mask again.

"Put it all on." Zhang Xun suddenly said with a calm face.

Wu Xiaoxie was not sure, so he turned around and saw that the upper ends of the stone path were all carved at the fist size, protruding from the animal heads on the wall, with one meter apart from each two. He immediately cursed, "This is not a vent, right?"

Zhang Xun nodded, put on a new protective suit and mask, changed into a new one for the young man, and put a layer of protective suit on his clothes.

Wu Xiaoxie and the others quickly did as they did. After everything was ready, they moved forward again.

Zhang Xun walked faster and faster, and he was almost running behind him.

The fat man turned around accidentally and immediately let out a mom, turned his head and shouted, "Run quickly, the poisonous fog is coming."

It turned out that the mechanism had started quietly at some point.

A large cloud of thick fog surrounded the breath of death, and was landing from the above at a speed visible to the naked eye, gradually approaching here.

In front of the stone path was a huge mountain cave. They accelerated and ran over, but they didn't even bother to step into the water. Several white corpses were lying on the shallow beside the water, all of which were densely packed with small bubble holes.

The caves here seem to be closed and they have no way to retreat.

"The bones are fake." Zhang Xun glanced at him and walked straight into the deeper part of the pool, reminding them both without looking back, "Come on, there must be a way under the water."

The skeletons placed there are just psychological hints to defeat the hope of surviving the intruders.

Seeing that the white mist was about to gather here, the fat man cursed inwardly, "Damn it, just die, naive, let's go quickly."

The two stumbled into the water and swam forward and backwards with Zhang Xun. Sure enough, they found an open secret door at the bottom of the pool, and the two swam in quickly.

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The waterway was pitch black. Wu Xiaoxie swam forward while fumbled through the walls on both sides. He swam about seven or eight meters. There was light in front of him. Through the water surface, he could clearly see that the space above was shrouded in the faint green jade light.

The fat man got out of the water before him, took off the gas mask that had failed after it was in the water, and pulled Wu Xiaoxie up. The two of them walked up the steps with wet all over.

Then I found that this was a completely irregular cave, full of dark green and gloomy jade light.

The top was full of green stalactites growing down like liquid, as if Milodo had melted halfway through alkali and then solidified and hung upside down here.

In front of the steps is a single-plank iron chain bridge built on the water, which is seventeen or eighteen meters long, leading to the entrance of the cave.

Wu Xiaoxie and the fat man were ecstatic, thinking that they were about to arrive at the poisonous gas cave full of pools, and found that Zhang Xun was already standing on the iron chain bridge with his brother on his back.

The two of them rushed over quickly and saw that the smile on their faces instantly frozen.

From the middle section of the iron cable bridge to the opening in front of the cave, it extends all the way to the inside of the circular cave, with countless red silk threads spreading across it, as dense as a silk hole. Each silk thread here is hung with countless fruits of even shape - hexagonal copper bells.

The fat man couldn't help but take a step back and said smackingly: "Damn, the anti-theft system of your Zhang family is too cool. Who can get over this? Unless you squeeze it into noodles."

"It's okay to squeeze into a turtle," Wu Xiaoxie murmured, "then we can climb from under the water to the other side."

"How to squeeze?" The fat man turned his head to look at him, "As long as he can get over, let alone squeeze into a turtle, I'm willing to turn into a dung beetle."

The second half of the cable bridge was completely submerged in water. Zhang Xun looked up at the top of the cave and found that bells were also hung on it.

The red silk thread is like a large infrared wall, and the bell on it is a warning. Once you accidentally touch one, all the bells will sway with you in the next moment. If they persist for only three seconds, they will fall into hallucinations, either drown or be killed by poisonous gas.

"Can the dung beetle swim?" The more nervous he was, the more uncontrollably Wu Xiaoxie's thinking spread. This is actually a way of self-calming.

"Damn how do I know?" The fat man looked so ugly, "I'm not a coach."

As he said that, he turned to look at Zhang Xun, "Coach Xiao Zhang, let's give me a guide, how can we live?"

Zhang Xun lived up to the expectations of the crowd, looked at both sides of the cave and immediately said, "There must be mechanisms here that can fill the entire cave with water, and the bells filled with water will not ring."

Wu Xiaoxie and the others looked at him expectantly. Zhang Xun handed the young man over to the fat man's back, and walked back to the other end of the cable bridge. There were many holes in the shape of dragon mouth and fish mouth on the walls. This must be a water injection outlet.

Zhang Xun reached out to touch the chin of one of the dragon mouths, pulled out the small insert below, and the originally tightly closed dragon mouth immediately opened at a 60-degree angle, but strangely, the ball inside was stuck inside the dragon mouth, and there were many new polishing marks on the balls.

I looked at the next one and found that it was still the same. After starting the mechanism, nothing flowed out of the dragon's mouth. The balls were ground to pieces and squeezed into the water injection port. There were also a few fish mouths with the air holes set here.

Zhang Xun's face changed slightly, "Oh no, someone has been here before us and has tampered with these mechanisms."

The fish's mouth began to fog, and it was very rich white, as if there was life, slowly spreading in the air, spreading its teeth and claws.

"The alkaline gas will spread soon. Without water, I can only pass by with a tough bullet." Zhang Xun immediately ran back to the cable bridge, took the young man over, and said to Wu Xiaoxie and the others, "I'll go through it first, you two will follow behind."

Wu Xiaoxie and the fat man watched him step over the first red silk thread nervously, and then showed flexibility beyond ordinary people. Even if he was carrying a person on his back, he could not stop his silky smoothness. He was light and fluttering when he walked around, like a flexible ribbon, and he walked over very far.

The fat man followed two steps, and his eyes were about to fall off. "After this series of movements, my waist disc must be protruding."

Wu Xiaoxie learned from Zhang Xun's actions just now and made a few gestures. He was sad to find that he could not complete it at all except for rebirth from his mother's belly.

"Did he not bring a flashlight?" The fat man suddenly seemed to have discovered a new world and almost jumped up on the spot. "Damn he, he didn't even turn on the lights, just passed by like this."

Zhang Xun quickly arrived on the other side, put the guy down against the wall, and then returned to the cable bridge, waved to the fat man, "Go past, I'll show you the bell."

With Zhang Wuxun leading the way in front, the fat man became much bolder. "Take a try, success or failure is a step away. Ah Mei is still waiting for me at home. She has gone through such a long way, so she can't stop here."

As he said that, he bent down and raised his legs. He walked around several lines in a row and walked to Zhang Xun without any danger.

The bells behind were denser than before, and Zhang Xun said quickly: "Jump quickly!"

The fat man roared and jumped up. Like when he was a child, he squeezed his feet into the gap between the four silk threads, and then his body followed. What was amazing was that he didn't touch a single thread.

Just when Wu Xiaoxie behind him thought he would land on the bridge deck safely, the fat man who was sucking his stomach had already had a premonition that he was finished.

Sure enough, the moment his feet touched the bridge deck, his body pounced forward under the influence of inertia. Even if he barely controlled his body, his arm still touched a thread.

At this moment, everything around seemed to be in slow motion. In the fat man's pupils, which were wide open due to fear, he saw a slender hand, with a phantom, passing through several silk threads directly, and steadily clamping the trembling bell with his fingers.

Wow—— With a sound, the stagnant air dissipated instantly, the phantom disappeared, and Zhang Xun slowly let go of his hand, and the whole process was incredible.

The fat man wiped the cold sweat from his head. He was about to speak when he was interrupted by Zhang Xun and "Stay going."

When he looked at the extremely complicated net in front, the fat man was almost crying, "How about going? Muyu, why don't you pinch me and carry it over."

Zhang Xun calmly said, "Your body is not soft enough, I can't get through with you on my back."

"I'm not soft enough? How did that guy get over?" The fat man pointed to himself and hesitated, "I've practiced yoga for two days."

Zhang Xun had already picked up another bell and lifted up the silk thread with the bell at an extremely slow speed. The gap in the middle of the net became slightly larger, and then looked at the fat man with the look you were talking nonsense.

"Believe in yourself, you can do it." He encouraged, "Don't worry, if I run into it, I'll break the bell."

"Damn!" The fat man cursed, took a deep breath, spread his arms, made a move of a crane flapping its wings, and then yelled softly, "Yaah—"

Then he jumped up, rushed forward, and drilled directly through the gap on the Internet, and a big horse leaped into the water.

The fat man stood up from the water, wiped off the water from his face, and looked full of gratitude.
Chapter completed!