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"It should be okay, right? Brother Zhuang's lung capacity is very large, and his diving record is several minutes higher than the world record, so nothing should happen......"

After Zhuang Rui returned home from Pirate Island, he once played in the swimming pool of the manor, and Peng Fei knew about it. Pen "Fun" Pavilion www.biquge.info

But looking at the calm lake, Peng Fei's heart is also up and down, after all, this is not a diving competition, there is no need to hold yourself so hard, there is no need to take a breath out of the water and dive again.

"Then wait a little longer......"

Dr. Ren said with a worried face, and he didn't have the heart to care about the old turtle that had been peeled off the shell in his hand, and stood by the lake with Timur and others, looking forward to Zhuang Rui revealing the lake.

Ten minutes passed, and the lake was still silent, except for the occasional fish jumping out of the water.

"Zhuang Rui won't have anything happening, right? It's been more than ten minutes...... Dr. Ren's voice rang out again, and it seemed so harsh in this quiet place.

"It's going to be fine, it's going to be fine...... Peng Fei seemed to be answering Dr. Ren's words, more like muttering to himself, his face was a little pale.

Twenty minutes have passed, everyone on the shore has changed their faces, Peng Fei has already taken off his clothes and is about to enter the water, but he is being stopped by Battle and Dr. Ren and others.

"Lao Ba, I promised my godmother to protect Brother Zhuang, if he folds here, I won't have the face to go back......"

Peng Fei, who was stopped by Battle and hugged by his waist, looked very excited, if it weren't for the strength less than Battle, Peng Fei would have put Battle on the ground by now.

"Feizi, calm down, Zhuang Rui is also our good brother, or Timur's Anda, can we not worry?"

Battle's thunderous voice sounded in Peng Fei's ears, and after seeing Peng Fei's struggling movements ease down a little, Battle continued: "It's not that you won't be allowed to go into the water, but you have to tie a rope to go down......"

No one knows what the underwater situation is, but Zhuang Rui never returns, everyone lists this lake as an extremely dangerous place, Battle knows the relationship between Peng Fei and Zhuang Rui, but he can't watch Peng Fei go to death, right?

Peng Fei took a deep breath, nodded and said, "Okay, bring the rope ......"

"Kikige, bring the rope ......"

Seeing that Peng Fei had calmed down, Battle was overjoyed, this rope was ready-made, and it was still tied with a live buckle, just tie the rope sleeve directly around Peng Fei's waist and tighten it.

"Feizi, don't be reckless, if you see something wrong below, quickly pull the rope......"

Although Battle has the heart to accompany Peng Fei down, but the people who live on the grassland, Shui Xing is very ordinary, and he knows that he will probably become a burden to Peng Fei if he goes alone.

"Peng Fei, if you find Zhuang Rui, you must pull him up quickly......"

Dr. Ren on the side is also extremely weak in saving people, and he looked at Peng Fei on the side and said, he can only hope that Peng Fei can find Zhuang Rui underwater, because if the drowning time is short, it is still very possible to save him.

"I know ......"

Peng Fei nodded, then flipped his wrist, and a three-inch-long crescent-shaped knife appeared in the palm of his hand, and after biting the knife in his mouth, Peng Fei jumped into the lake.

This swan lake is formed due to the changes in the earth's crust, not from shallow to deep like ordinary lakes, but waist-deep as soon as the water is launched, and two steps into it, Peng Fei immediately felt that his feet were in the air, and the lake water had already submerged his head.

The lake water is very clear, Peng Fei who entered the water can clearly see the situation within more than ten meters around, and after floating to the surface of the water and taking a deep breath, Peng Fei swam to the place where Zhuang Rui last appeared on the water.

"Here...... Isn't it deep?"

Peng Fei found that this place was only a little more than two meters, and after a careful search, Peng Fei breathed a sigh of relief, because he did not find Zhuang Rui's "body".

Peng Fei's diving ability is far inferior to Zhuang Rui, every three or four minutes, he has to surface for a ventilation, after tossing for nearly an hour, Peng Fei has searched the surrounding waters of thirty or forty meters, and still has not found Zhuang Rui's trace.

Seeing Peng Fei lying on the grass like a little dead dog, Battle said, "Feizi, you take a rest, or wait for me to go down......"

Peng Fei waved his hand and said weakly: "Lao Ba, you can't do it, the water flow at the bottom of this lake is a bit fast, you can't stabilize it, and there are many aquatic plants underneath, if you are not careful, you will be entangled......"

Peng Fei was telling the truth, because at this moment, his body wearing a pair of underwear was full of green aquatic plants, and even his hair was covered with a puff of aquatic plants, which at first glance looked very much like the legendary water ghost.

Unlike Zhuang Rui, who used brute force to pull the aquatic plants off, Peng Fei used the extremely sharp knife to cut off the aquatic plants as soon as they were wrapped around his body.

This has to be replaced by Battle, whose strength is less than Zhuang Rui and whose skills are not as good as Peng Fei's, and if he can't keep it, he will really be left at the bottom of the lake by the aquatic plants to be a ghost.

"There is no Brother Zhuang under the water, it doesn't look like it is entangled in aquatic plants, I just looked at the bottom side of the water and there seems to be a hole, I will take a break, and then go to the direction of the water flow to see ......"

After searching at the bottom of the lake and not finding Zhuang Rui, Peng Fei's mood settled down a little, because the bottom of the lake overgrown with aquatic weeds could be seen very clearly under the noon sun, and there was no trace of Zhuang Rui at all, which ruled out the possibility that Zhuang Rui was entangled in aquatic weeds and died.

And although the water at the bottom of this lake is a little turbulent, even Peng Fei can break free, not to mention Zhuang Rui, who is even more powerful than Peng Fei.

In this way, there is only one possibility that Xing exists, that is, Zhuang Rui entered the underwater cave that Peng Fei saw just now, although life and death are still uncertain, but it is much better than finding Zhuang Rui's body at the bottom of the lake.

If Zhuang Rui had been killed at the bottom of the lake just now, then Peng Fei really didn't know how he would deal with himself, and he didn't know what kind of face he would have to face Zhuang Rui's relatives.

As for the current situation, in the technical terms of exploration, it can only belong to the category of disappearance, and cannot be determined to be death.

Peng Fei gasped for breath and took the air-dried meat handed by Battle and ate it, he now needed to replenish his strength before he could approach the mouth of the cave at the bottom of the lake to explore.

......Haha, now you don't have to waste your tongue, go back and drag Brother Ren in, he will definitely believe that there is an imperial mausoleum buried here......"

At this time, Zhuang Rui was smiling happily in the dark river of the cave more than 30 meters below Battelle and others, and there was a small pool behind him, splashing up from time to time, which was the entrance and exit of the lake outside.

Zhuang Rui's body was also like Peng Fei outside, full of green aquatic plants, but Zhuang Rui didn't care about these at all, because after entering the underground dark river, Zhuang Rui found that this place was even better than he imagined.

Not to mention anything else, first of all, the presence of air underneath this makes Zhuang Rui inexplicably happy, which is also what Zhuang Rui was worried about before.

After all, the dark river is deep underground, and there is no outlet to the ground, in case it presents a vacuum, it will cause great disadvantages to the subsequent excavation work.

The second thing that made Zhuang Rui happy was that he originally thought that in this underground dark river, there would be the kind of pitch black that he couldn't see his fingers, but when he entered, he found that on the wet rock walls on both sides of the dark river, there was actually a kind of stone that emitted a faint fluorescence and was covered with moss.

Although the light emitted by this stone is very limited, it can also meet the vision needs of ordinary people, with this faint light, Zhuang Rui did not use aura, but directly with his eyes, intuitively observed the situation at the entrance of the dark river.

This observation made Zhuang Rui even more happy, because he found a situation that he hadn't noticed before, that is...... On the rock wall at the entrance and exit of this dark river, there are obvious traces of human excavation.

That is to say, those who dug the secret passage connecting the tomb of Genghis Khan in the depths of the dark river were not randomly dug by the doctor in a hurry, but after careful investigation.

When using the aura survey outside, Zhuang Rui focused on the place where the dark river exit, but when he first came in just now, in order to avoid some unknown dangers, he carefully observed the area around the exit.

This made Zhuang Rui also discover a lot of valuable things, the above discoveries, not the most important, the reason why Zhuang Rui forgot about the situation outside, forgot the worries of Peng Fei and others, was because he found an iron box four or five meters away from the pool.

The iron box is not very deep, only twenty or thirty centimeters, due to the reason that the underground air is damp, the outer skin of the iron box has long been rotten and rotten at the touch of it, but the contents inside are very well preserved.

This is a box of gold, not the kind of gold bricks, but flattened gold cakes, a total of more than 30 pieces, each of which is the size of a palm, and the words "孛儿 only catty" are printed on it, obviously...... This is for the exclusive use of the Mongol royal family.

With these gold cakes and artificial traces at the exit, Zhuang Rui believes that Dr. Ren will definitely not ask him to return to Běi Jing again, and compared to any Mongolian emperor's tomb, the influence of Dunhuang documents is negligible.

"These gold cakes must have been reserved by those craftsmen who dug secret tunnels, these people are not greedy, they didn't want to loot Genghis Khan's treasures, they actually took such a little gold......" Zhuang Rui easily guessed the origin of these gold cakes.

Gold cakes are easier to carry than gold bricks, and the gold cakes are thinner and easy to melt when taken out.