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Anyway, the number of people who act together is not too small now, so everyone climbs down the reef wall in twos and threes, and together they can resist the darkness a little.

He Xi has always maintained the same speed as Qin Zhen without being fast or slow. The place was dark and damp, and it was slippery everywhere you looked. There are huge expanses of sea water rushing down from above.

Sure enough, it's like an intermittent, irregular waterfall in the sea. And a few of them are climbing from the top of the waterfall to the bottom.

If this is a valley, a mountain stream, a canyon or something, maybe climbing a waterfall is not a particularly scary thing for the few of them. It's a pity that this is the middle of the sea.

Although they don't know where the 'Well of Thor' they are coming from, they clearly understand that all around them, above their heads, are full of seawater! This feeling is very unsteady and very frightening.

It's hard to imagine what it would be like to dig a well in the middle of the sea, but they are right now in this 'well'.

With special mountaineering equipment, it is not difficult for them to climb down, and it is a large distance to pull the rope and slide and jump. It's just that the faster they fall, the darker and colder the world becomes.

Qin Zhen looked at He Xi beside him and asked with concern, "Is it cold?" ”

He Xi turned his head, smiled at Qin Zhen and replied, "It's not cold, no problem!" After speaking, he said to Qin Zhen very professionally: "The temperature of the seawater will also change a lot due to different depths and different seabed topography. Generally speaking. The average temperature in the Pacific Ocean is 3.7°C, the Atlantic Ocean is 4.0°C, and the Indian Ocean is 3.8°C. But ......"

He Xi hasn't finished yet. Qin Zhen said with a smile on the side: "But I don't know why, there is a 10,000-meter abyss here, so the temperature below is not easy to say, right?" ”

He Xi continued to maintain a parallel downward speed with Qin Zhen while saying with a smile, "Yes." However, since it is all ocean, the temperature here must also decrease with the increase of depth, and the temperature of the sea water at a depth of about 1,000 meters is about 4~5 °C. At a depth of 2000 meters, it is 2~3°C, and once it is deeper than 3000 meters...... It will drop to 1~2°C, these are just the water temperature, if we go to the hollow cave without seawater, it should be ...... It's like a cold storage surrounded by thousands of square meters of ice......"

Although he hadn't encountered that exaggerated cold yet, Qin Zhen couldn't help but shudder when He Xi said this. No wonder what kind of diving protective clothing prepared by Yebei is very cold and heat resistant, and it was strange for Qin Zhen at first. Now it seems that this equipment is absolutely necessary. I just don't understand. Since the seabed is an extremely cold zone, why is it necessary to resist heat?

Qin Zhen told He Xi this question, He Xi thought for a while and said, "Hmm...... Although I don't think it's likely, maybe Brother Bei is worried about the big chimney of the submarine volcano! The huge pressure of seawater will bring the water close to the freezing point without freezing, and it will not boil close to the boiling point, but when the seawater reaches the boiling point, it will change to a higher air pressure. It erupted from those rocks, forming black smoke and turning into a large chimney at the bottom of the sea. If there were such a zone, the temperature would be close to 420°C, and the glass of the submarine would melt. In fact, even if we wear the best protective clothing, it is useless......"

"This, this is the ...... under the Yellow Bohai Sea" Originally, Qin Zhen wanted to say, how could there be a volcano under the 40-meter-deep Bohai Sea? But as soon as the thought came to him, he shut up. Because he knows that it is stupid to say this, where is the current Bohai Sea still the Bohai they know?

Lao Gu and Jiang Qi were above Qin Zhen and He Xi. I had probably been listening to Qin Zhen's chat, so at this time, Lao Gu Quan couldn't help but say: "I said Qin Zhen, you are really good!" The psychological element is really getting better and better, no wonder my handsome brother will praise you and Dong Shao for growing a lot together. At this juncture, don't you forget to chat with the goddess? Due to the relatively large movements, the distance down is not short, and Lao Gu is now a little panting when he speaks.

After hearing this, Qin Zhen raised his head and scolded: "I knew that you wouldn't stop talking from beginning to end!" If you don't speak, you can suffocate you, right? Didn't you hear the two of us discussing the temperature of the sea......"

"Huh... Ha ha... Don't talk nonsense, why doesn't the goddess discuss it with me? Lao Gu said angrily.

He Xi didn't get angry because of Gu Jie's joke, but smiled and shook his head at Qin Zhen, saying that he didn't want to 'quarrel' anymore.

As soon as Qin Zhen saw that He Xi had spoken and didn't talk to this goods, he would naturally ignore him! But Qin Zhen didn't speak, and Lao Gu was really a little uncomfortable. If you raise the bar, you have to be two people...... It's not fun if one side doesn't speak......

During the time when they were silent for more than ten seconds, Yudong and Juntian below suddenly stopped. Qin Zhen and the others soon stopped at Yudong's side, the last one was Yebei, and after stopping, he glanced at Yudong and asked, "That voice is getting clearer and clearer, right?" ”

"Hmm." Yudong and Juntian replied at the same time, and their faces were not very good-looking.

But Qin Zhen and the others looked at each other in confusion. Sound? What was that? Just now, apart from the sound of them talking, there should only be the sound of the water. Especially when Lao Gu speaks, where can I hear other voices?

Unexpectedly, He Xi was also very serious at this time, as if she was listening to something, and before Qin Zhen could ask, she grabbed the rope with one hand, waved her hand to Qin Zhen with the other and said, "Listen, there seems to be a strange sound." ”

Since He Xidu said that, Qin Zhen of course began to listen carefully. He tried to get rid of the sound of the water, and sure enough! He heard a burst of 'hiss' and 'whin'...... This voice couldn't help but make Qin Zhen creepy! It's like some kind of animal, and it's like a human being......

"W-This can't be pressure to make our ears ring, right......?" Qin Zhen chose a very pale reason.

Yu Dong beside him was the right color to deny Qin Zhen: "No, it's only a few hundred meters?" No way. ”

"So, what kind of movement is this?? Something nearby?? Qin Zhen looked around vigilantly.

He Xi speculated at this time and said, "Could this be a phenomenon similar to the voice of Taos......

In New Mexico, there is a small city with a concentration of artists, called Taos. In addition to the scorching brightness of Mexico, there are also phenomena that have not yet been scientifically explained. For example, people there are often disturbed by a low-frequency noise in the desert. For many years, the source of this sound has been the most visible and well-known.

Many people have researched and tracked down the mysterious voice, but in the end nothing has come of it. Some people think it may be the special acoustic effects of this particular place in New Mexico; There are also those who believe that it is a collective hallucination of the people who hear the sound; Of course, many more people have even begun to suspect that it is caused by some mysterious and terrifying force, such as demons or ghosts. There are many variations of theories, but until now no one can say exactly what it is.

It is not unreasonable for He Xi to suspect that the mysterious sound coming from the cave under the sea where they are now should be similar to the voice of Taos. Because from a large amount of evidence, the strange sound of the voice of the Taos is this kind of human-like beast 'whining' and 'hissing' sound.

However, Yebei didn't seem to agree with this statement, he looked around and said, "The voice of Taos comes from the desert, and it may be the sound of wind and sand, just like the Devil's Town you once visited. ”

"Aha, Night Boss, do you even know these stories of ours?" Lao Gu laughed out of place, which shows how heartless this product is.

Yebei smiled slightly and said, "It's hard to think about your thrilling stories. ”

Qin Zhen dragged the rope and asked Yebei at this time: "Brother Bei, the voice of Taos is in the desert, what if the sound here is caused by sea water?" ”

Yebei didn't speak, he didn't draw some kind of conclusion about Qin Zhen's speculation. It's Juntian, who is like flying in the sky at this moment, not afraid of the extreme abyss, twisted lightly, pulled the rope and swung to Qin Zhen's and Yudong's side, and then easily hooked the corners of his mouth and said: "It's better to believe that it was caused by your little mermaid." Deeper and deeper to the bottom of the sea, we are getting closer and closer to the water, and since that kind of thing lives in the water, it is about to meet if it is not guaranteed. Qin Zhen, do you think you will be the prince who has been waiting for that thing for a long time? ”

After speaking, Jun Tian suddenly let go of his hand, and instantly slid another hundred meters! At this moment, the frightened Qin Zhen and Lao Gu's hearts almost didn't jump out!

Qin Zhen sulked and muttered, "Juntian, when did you say you became aggressive?" Even if the mermaid really appeared, it would be impossible for her to fall in love with me first, with the three of you who are peerless, it won't be my turn, right? Qin Zhen shouted at Juntian below.

Yu Dong patted Qin Zhen at this time, signaling that it was time for him to continue to set off.

Although there was no reason for the discussion, the mysterious and strange voice was buried in their hearts. What Juntian said sounded like a joke, but when you think about it, it makes a lot of sense. Now that they are under the sea, it may not be long before they will dive into the sea. Those creatures that can "sing" have not yet appeared, only know that they are in Lao Gu's impression...... The thing had long, long hair...... (The novel "Song of the Desert" will have more fresh content on the official WeChat platform, and there will also be a 100% lottery gift for everyone!) Open WeChat now, click on the "+" sign in the upper right corner to "add friends", search for the official account "qdread" and follow, hurry up! (To be continued......)