Qin Anyi followed Qilin's instructions and dived to a depth of more than three hundred meters, then swam towards the other side of the lake. |
Various fishes can be vaguely seen around. Although the surroundings are completely dark at such a depth and for such a period of time, Qin Anyi can still perceive all movements within a radius of ten meters with him as the center.
.
In addition to his eyes, he can also sense the surrounding situation through the touch of the skin to the changes in the surrounding water flow.
Since breaking through to Major General, Chi You's combat body has been able to reach the peak of the sixth level, and he can reach the seventh level with another inch of progress.
Under full operation, Qin Anyi can hold his breath for more than six hours.
However, under the water of 300 meters deep, the pressure on the body is too great, and the consumption of oxygen has also increased sharply. Qin Anyi himself estimates that the time he can hold his breath will be reduced by at least half.
After swimming quickly for almost half an hour, under Qilin's guidance, Qin Anyi touched the hard soil and stepped on the bottom of the lake. The steep arc of the soil in front of him made Qin Anyi slightly frightened.
Although this huge freshwater lake also has an inverted trapezoidal lake basin structure, the gradually changing trapezoidal arcs from the edge of the lake towards the center of the lake are obviously much steeper than the gradually deepening structure of an ordinary lake.
"Float upward, at a distance of thirty-five meters, the sonar trace of the submarine continues to move forward at a distance of thirty-five meters above your head!" Qilin's voice sounded again.
Qin Anyi frowned slightly and followed Qilin's instructions to swim upstream for more than thirty meters. He was shocked to find that a huge hole appeared in front of him!
The entrance of this hole presents a rather regular circle, and its diameter is about seven or eight stories high.)
It was dug manually!
Qin Anyi looked at the traces on the edge of the cave entrance and immediately made a judgment. At the bottom of the lake with a depth of more than 300 meters, there was such a huge and regular circular cave entrance. Although the edge of the cave entrance had been passed by water all year round,
corrosion, but traces of artificial excavation can still be seen.
What a huge project... If everything in front of us was done by the First Empire... then how did the First Empire manage to dig such a huge cave at the bottom of the lake more than 20 years ago?
After being stunned for a while, Qin Anyi suddenly started to move his legs and swam upward quickly.
After a short while, he swam to the lake. Qin Anyi just raised his head and exposed his mouth to the water. Then he took three deep breaths to circulate the oxygen in his body before diving down again.
I don’t know how deep the artificial cave is, so it’s always good to make more preparations.
After returning to the entrance of the cave, Qin Anyi calmed down and then swam into the cave.
Only after being in this cave did Qin Anyi realize how huge the project in front of him was!
The diameter of the seven or eight-story building is about twenty meters at least. The width of the previous submarine was only about six meters. In other words, the widest part of the cave can even allow four submarines of that kind to travel together...
…
This is more than 300 meters deep underwater! I don’t know how much it cost...
While thinking about it, he kept swimming along the inside. After entering the cave, Qin Anyi no longer needed Qilin to continue to guide the direction. Anyway, it was a right way to swim to the dark side.
After swimming forward for about a hundred meters, Qin Anyi was shocked to find that the cave began to curve upward, but the curve was very small, about five or six degrees.
However, after continuing forward for more than a hundred meters, the arc became higher again, almost a dozen degrees.
Just keep going forward like this, and every hundred meters away, the arc will increase a little. By the end, the arc of the entire cave has reached about 45 degrees, and it keeps going upward!
"Qilin, have we...swum out of the scope of this lake now? This arc extends too far..."
Qin Anyi became more and more frightened as he wandered around, and couldn't help but ask in his mind.
"Based on the distance, we have indeed swam out of the lake and into... the cliff." Qilin said, and a series of data appeared in Qin Anyi's mind.
"Within the cliff?" Qin Anyi was stunned, and then his pupils instantly dilated, thinking of the topographic structure of the entire East African Rift Valley, he was filled with wonder.
This huge lake occupies an entire area near the bottom of the rift valley. A cave is dug more than 300 meters deep in the lake. This cave is then used as a portal to continuously dig from the ground toward the cliffs of the rift valley. Inside the cliffs
, a huge space was dug out beneath the plain!
The passage of the cave continues upwards in the cliff. When the height of the passage reaches parallel to the lake surface, there will naturally be no more lake water. Then, based on this height, we begin to dig space in the cliff...
No one would have thought that there is a huge hollow area under that endless plain!
Although this idea is similar to that of Dragon Rider Headquarters, there is no doubt that the entrance to this laboratory is even more difficult to find! Using a huge freshwater lake with a radius of thousands of square kilometers as your own entrance... The person who thought of this method is not just a genius...
...still a madman!
To dig out such a huge lake bottom cave, and use the lake bottom cave as a natural portal to dig out an unusually long underground passage, and finally dig out a huge space inside the mountain wall and below the plain, the financial and material resources to be consumed are absolutely huge.
It’s an astronomical number!
The First Empire spent so much money to create such a secluded place. If they said they had nothing else on their mind, they would never believe it even if they killed Qin Anyi.
Continuously swimming along the arc of the cave, swimming back and forth for almost two or three kilometers, Qin Anyi finally saw a glimmer of light!
The surrounding water flow became calmer and calmer, and the further upstream, the brighter the light became. Qin Anyi even saw the bottom of the submarine he saw during the day, which was quietly suspended on the water and leaning against a prominent dock-like structure.
on the deck.
Qin Anyi carefully floated up against the wall of the cave. He stopped when he was about half a meter away from the water. After observing carefully for a while, he found that there were only two patrolmen chatting quietly with each other in the direction close to the lake.
sky.
It was midnight, and most people had fallen into a deep sleep. Even the soldiers who were on guard duty thought that this was the time when they were least mentally focused.
Moreover, nothing has happened for so many years. It is impossible for normal people to find the natural portal formed by such a structure.
Therefore, even the soldiers responsible for defense must not have any defensive thoughts...
Qin Anyi licked his lips and decided to take action immediately without thinking too much!