Yongle Dragon Cave appeared, and the Qingfeng cruise ship headed forward and set off in a straight line.
The ospreys on the sea along the way gave way.
The sea water kept lapping at the hull, splashing white waves.
The little falcon flies in the sky and takes pleasure in driving away seabirds.
Ning Fei told him not to hunt birds indiscriminately, and the little falcon obeyed him, but occasionally drove the seagulls away to play.
From time to time, the little falcon will catch a few sea fish.
Ning Fei's ship never lacked food.
"From a scientific point of view, blue holes are caused by caves from the Ice Age sinking into the seabed, like a huge well."
"The seawater inside does not circulate, and the oxygen content is very low."
"Of course, there are also legends that a dragon lived here, or that Sun Wukong pulled out the Dinghai Divine Needle from here."
“I’m going down this time to explore the true mystery of Yongle Dragon Cave.”
Ning Fei said this.
[Master Ning Guan is so brave. I am from the North Island, and even the locals there dare not go there.]
[Coincidentally, I am also from the North Island. It is said that that place can suck small fishing boats in. It is very evil!]
[Why do you think the government sealed Longkeng? It’s just because it’s too weird and you can’t find out the reason.]
[Yes, on the one hand, it is to protect fishermen, and on the other hand, it can also protect the natural ecology.]
[This is very strange. There are blue holes in other countries, but several of them are open.]
Netizens are talking a lot.
[Be careful. There are rumors here that Longkeng was the Dragon King Temple. Later, the Dragon King Temple collapsed. No one protected this sea area, so people avoided here.]
The Beidao netizen continued.
Yongle Dragon Cave originally has some mysterious colors.
The government's protection of this place is somewhat puzzling.
Now, Ning Fei wants to explore the Yongle Dragon Cave, and the relevant departments above readily agree.
Ning Fei noticed that there were several coast guard ships around Yongle Dragon Cave, probably because of his exploration, they came to escort him.
Ning Fei said again:
"Blue holes are one of the wonders of the ocean."
"Yongle Long Cave is the deepest blue hole in the world, with a depth of more than 300 meters."
"The second-ranked blue hole is only 202 meters deep."
"This shows how magical Yongle Dragon Cave is."
The Qingfeng cruise ship is getting closer and closer to Yongle Dragon Cave.
Netizens saw that the sea water in Yongle Dragon Cave is black and blue and bottomless.
Exactly like the abyss.
From the live broadcast footage, a depressing feeling came over my face, making my chest feel a little out of breath.
Light blue and black blue, two distinct colors.
The contrast of colors makes Yongle Dragon Cave look like a dark eye.
[Looks so scary!]
[For a claustrophobic person like me, this is a nightmare!]
"People from the government have used instruments to explore this place."
"But no one ever actually goes down."
"According to the detection results, there are no living things under the Yongle Dragon Cave because the seawater does not circulate and the oxygen content is very low."
"And the most terrifying thing is that there is a layer of toxic hydrogen sulfide under the water, which can directly cut off oxygen."
When they were about to enter the waters of Yongle Dragon Cave, Ning Fei stopped the Qingfeng cruise ship.
Yongle Dragon Cave is surrounded by reef structures, and even when the water is at its highest, the depth is only three meters.
The Qingfeng cruise ship cannot be boarded.
Therefore, Ning Fei could only swim over.
"Next, I want to explore the deepest blue hole in the world!"
"Hopefully there will be some new discoveries."
Ning Fei put the submarine type B bionic tuna and the submarine type C bionic flying fish into the sea water.
Then, he put on a special diving suit, carried an oxygen tank and propulsion device on his back, and dived into the sea.
It is also difficult for submarines to dive in this place.
Ning Fei was on the sea and began to swim forward.
At this moment, two middle-aged men wearing diving suits suddenly emerged from the sea.
"Master Ning Guan, we are divers from Sansha Geological Bureau, escorting you!"
"Guanzhu Ning, the higher-ups attach great importance to your exploration activities this time."
The two people said separately.
Ning Fei didn't expect such an arrangement from above.
This is also considered a security job.
Although it is of little use, because no one dares to go down except Ning Fei.
"grateful!"
Ning Fei waved to them, thanked them, and then continued forward.
The drone flies high and looks down from above.
Netizens saw a figure swimming from the light blue sea to the black and blue part.
Ning Fei continued to swim forward, and he swam at the highest point of the abyss.
This scene is particularly spectacular and domineering.
It makes people feel astonished after seeing it.
"I'm going to start diving."
"I wonder if there really is a dragon in the Yongle Dragon Cave!"
Ning Fei joked, which made the atmosphere in the live broadcast room much more relaxed.
Everything is possible.
There are millions of species of life in the ocean, many more than there are animals on land.
There are only a handful of marine creatures that humans have mastered.
As for such a blue hole, no one has ever actually dived in to check it out.
Only machine detection may not be able to get the real answer.
Ning Fei dived down.
As soon as he went down, the whole world fell silent.
Netizens saw from the drone that Ning Fei disappeared on the huge dark blue sea.
While everyone was exclaiming, the camera in the live broadcast room switched to the bionic tuna.
At this moment, it is when the sun is shining in the sky.
According to common sense, visibility under the sea within two hundred meters is very high.
But not so in the claustrophobic blue hole.
At first, the sea water was still clear and transparent, because after all, it was surface sea water and it was still one with the sea.
You can also see several common sea fish and a lost little moray eel.
The surrounding walls are also covered with colorful corals.
Ning Fei continued down, and suddenly, the screen became dark.
Netizens can feel that this kind of blackness is not black that light cannot shine through, but because the sea water here is dark blue and stacked together, it looks much darker.
[what happened? Who turned off the lights?]
[Go, why did the sea water turn black!]
[what's going on? It looked fine just now, but suddenly it became depressing!]
Netizens kept asking.
Although Ning Fei couldn't see the barrage, he also explained:
"I've been through the hydrogen sulfide layer."
"Due to the lack of oxygen in the water deep in Long Cave, anaerobic bacteria will breed, and they will release huge amounts of hydrogen sulfide. On the one hand, it will cut off oxygen, and on the other hand, it will also turn the seawater black."
"This is also the scariest place in Long Cave."
Netizens looked along the lens of the live broadcast room.
Above the hydrogen sulfide layer, there are many sea fish still swimming freely, and colorful corals grow on the walls.
Under the hydrogen sulfide, everything becomes pitch black, without life or movement, like a dead sea.
No one could have imagined that such a huge change would occur in a sea area.
Half hell, half heaven.
At this time, the system's sound also rang in time.
"Ding! It was detected that the host successfully checked in at Yongle Dragon Cave and received a reward, a top rare species (mythical beast) locating card."
"Ding! The presence of top-notch rare species (mythical beasts) is detected in the surrounding area. Start the mission: explore the secret of Yongle Dragon Cave."
The system's first beep was as expected by Ning Fei.
But the second beep was beyond Ning Fei's expectation.
"Is there really a divine beast in this dragon cave?!"
(End of chapter)