After Zhang Yi increased his pace, it seemed that because of the strong vibration, the cracking situation at the top of the road spread rapidly and collapsed, and the yellow sand followed Zhang Yi like a flood.

If it were an ordinary person, in this case, it would definitely be buried underneath.

Fortunately, Zhang Yi's skills are excellent, and after he absorbed the strength of Xing Yuanshan's stand-in, his strength has improved to another level.

I didn't stop in one breath.

Zhang Yi ran all the way back to the side of the underground river.

Hiding behind the wall on one side, the yellow sand behind it, like a flood beast, rushed out of the tunnel and rushed directly into the underground river on the other side.

A few seconds later.

The yellow sand stopped.

I don't know where Keqin Belle got so much yellow sand back then.

If you want to make a quicksand mechanism, it is estimated that only the extremely dry sand in the desert can be used by the mechanism, is it possible, he was transported from the desert? Under the conditions of backward transportation in ancient times, it was not easy for this sand to be transported here as a mechanism.

Seeing that Huangsha stopped, and there were no other changes, Zhang Yicai sat down.

Leaning against the wall, gasping for air.

The cold sweat on his forehead came down.

Rested for a moment.

Zhang Yi stood up, walked over, and looked towards the cave. He saw that the inside of the road was already filled with this yellow sand.

Near this entrance, a part of it poured out, and you could see the top of the corridor. Speaking of which, just now it was really a thread hanging, and if it was a little slower, it was estimated that he would be buried alive.

Calm down.

Zhang Yi was thinking about the reason.

Twist the lamp head to scatter the flashlight light, increasing the irradiation range.

Zhang Yi looked around, and at this time, he noticed that in fact, there were other caves on the surrounding walls besides this cave.

Count this already plugged cave.

Centered on the confluence of the Pagbala Temple and this underground river, there are a total of seven caves on the surrounding walls. The entrance to everyone's cave looks exactly the same.

Zhang Yi didn't pay attention just now.

Look at it now.

He found.

Next to the entrance of the cave, there is also a ciphertext carving.

Moreover, the ciphertext is exactly the same as the ciphertext on the hole next to it.

In short, these seven caves don't look like a difference, and it is estimated that only when you walk in and trigger the mechanism can you know what the difference is between these seven caves.

But.

Zhang Yike didn't have so many lives to try them one by one.

While studying these caves, Zhang Yi was still thinking about another question, why did Zhang Yi return the same way just now and go to the wrong road?

I can't figure this out.

Zhang Yi had no choice but to pass over the stone bridge again, stand at the door of the Pagbala Temple, and observe carefully.

This.

After observation, he found a problem.

Originally, the cave where the quicksand mechanism came out was facing the gate of the Pagbalha Temple, but standing at the gate of the Pagbala Temple at this time, it could be clearly seen that the cave was slightly to the left.

Could it be that these caves will still move?

This is absolutely impossible, no matter how powerful Koqin Belle is, he is not a god, and it is impossible to transform an entire mountain into a mechanism. Therefore, Zhang Yi feels that the problem should be the problem of the reference.

Moving, is relative.

Zhang Yi just now, subconsciously thought that the Pagbala Temple on the island in the middle of the river was static. And use it as a reference, so I feel that the cave has moved a little to the left.

So.

Look the other way around.

In fact, the cave must be stationary, because the cave is connected to the mountain, so it must be the island in the middle of the river and the temple of Pagbala that moves.

Zhang Yi went to the edge of the island in the middle of the river and observed carefully.

The underground river is very deep, and there seems to be wood inlaid under the edge of the island in the middle of the river. But imagine this, in fact, the design of this island in the middle of the river is somewhat similar to a ship.

Here, it's hollow.

Similar to a buoyant cabin, the underground river is deep enough to float the island in the middle of the river. In fact, this island in the middle of the river is not very big, compared to the kind of giant ships that went to the West in the Ming Dynasty, this one is many times smaller.

Use this as a theory.

Make a slow-spinning island in the middle of the river to disrupt the intruder's view.

Even if you take the dragon seal ghost seal, it is not so easy to get out. Unless, taking your own life, try hole by hole.

If you're unlucky.

Maybe you'll have to make it to the last cave to get to the real exit.

Of course, Cochinbele's mechanism is as fierce as a tiger, not to mention trying to the last one, maybe, a hole into it is a point of no return, and it will stay in it forever.

Figured out the theory of this river island mechanism.

Zhang Yi also found that the stone bridge, where it is connected to Hexin Island, is not really connected. The stone bridge is separated from the island in the middle of the river, which happens to confirm the truth of the slow rotation of the island in the middle of the river.

For example, the rotation of the earth is not noticed by people on the earth, and what people can see is the rising of the sun in the east and setting in the west. Actually, the sun is not moving, it is the earth that is turning.

It's the same principle.

But.

Figure this out.

I still don't have a clue if I want to get out.

Because, when I came in, there was no trace left near the entrance of the cave, and by this time, the entrance of the cave was all out of order, and it was impossible to figure out which correct exit was.

There was a sigh.

Zhang Yi wanted to cry a little without tears.

In this case, unless someone comes in.

Otherwise.

He's afraid he might really want to try cave by cave.

Sitting in front of the Pagbala Temple, resting for a while, Zhang Yi stood up again, and he decided to look for it to see if he could find some clues near the entrance of the cave.

At the intersection that someone has walked, there should always be some traces!

But.

After walking over, Zhang Yi found ......

This idea is really naïve, the floor is all covered with green bricks, and there is no trace of it.

"That's right!"

Zhang Yi, who had just sat down and was a little lost, suddenly thought of a way. I don't know if it works, but maybe you can give it a try!

His method is the pistol.

The impact of the bullet is very strong, and if the bullet is shot into the cave, if there is a hole in the trap, the trap may be triggered.

So.

The remaining six caves.

If it's a cave with no traps, it's definitely a way to survive!

Thinking of this, Zhang Yi immediately cheered up, and he loaded the bullet. Walk to the first cave next to the cave blocked by quicksand, and go inside for a while to the vicinity of the steps.

The flashlight light hit inside, and there was nothing unusual inside.

The cave goes straight up the steps.

Zhang Yi aimed at the depths of the cave and immediately fired a shot.

There was a loud bang.

The bullet streaked out the streamer and disappeared into the depths of the cavern.

Next.

There was a thunderous sound inside, and it was getting closer.