The situation at the time was quite critical.
There were only three choices left for Fan Tong.
One was to use his flesh and blood to resist the collapsing rock formation, and the other was to climb more than 20 meters deep in five seconds …
Or cut the rope and fall down.
It only took him one second to make a decision. He immediately unlocked the lock on his waist.
In fact, his judgment was very correct.
The closing rock wall didn't give him five seconds at all. He calculated that it would take at most three seconds before the rock formation collided with each other and cut off the light coming from above …
However, although it seemed to be the best decision at the time.
But after only half an hour, Fan Tong regretted it.
The situation he was facing now, apart from leaving his corpse intact, was not much better than being flattened on a rope. He had been walking for almost half an hour, and this cave seemed to have no end. He couldn't see any hope.
"Motherf * cker … This is like a maze."
Sure enough, he should have been more cautious at the time, but it was useless to talk about these things now.
There was a slight tremor on the ground.
Fan Tong guessed that the place where he fell was probably buried by the collapsed rock wall. He took a deep breath and calmed himself down as much as possible.
In order to make himself feel less depressed, he tried to convince himself that this was just a scientific research activity.
"Silty quartzite … It's not hematite anymore. I didn't expect to find such an interesting thing here.
"What is this? Biomass detrital rock? "
This was an incredible discovery.
The frustration in his eyes was gradually replaced by a touch of excitement. Fan Tong used the multifunctional shovel in his hand to carefully knock out a bit of rock debris without damaging the rock mass.
Looking at the treasure in the sample bag, the excitement in his eyes became more and more intense.
"If only I could do a half-life test here, then I would be able to determine the formation age of the sedimentary layer in this area."
If it wasn't for the fact that the current situation wasn't optimistic and there was only static on the communicator, he really wanted to share this happiness with the other researchers in the base.
After packing up his tools and samples, he began to move forward along the cave.
Although doing these things wouldn't increase his probability of survival, at least … If he was killed, these valuable research materials would become valuable scientific research heritage.
Of course, the prerequisite was that someone would be able to collect his corpse …
The road ahead was getting more and more difficult.
Sometimes, when he encountered a fork in the road, he had to go in and out several times before he could find the real entrance.
During the journey, he rested for a while and ate some liquid food. Looking at the few supplies left, Fan Tong couldn't help but feel a little depressed.
But what was interesting was that he noticed a very interesting phenomenon along the way. Logically speaking, the core of Mars should have cooled down, but as he went deeper into the channel, the surrounding temperature increased by about 5 degrees.
Although the surrounding environment was still very cold, at least it brought a trace of comfort.
After recording these piecemeal discoveries, Fan Tong got up and continued to move forward.
The passage ahead was getting narrower and narrower, and he even had to expend a great deal of effort to squeeze through.
Just as he was beginning to wonder if he had gone the wrong way, a deep pit about five steps wide suddenly appeared in front of him.
The laser range finder showed that the depth below should be about 10 to 20 meters, exactly the same as what he had encountered earlier.
Fan Tong stopped at the edge of the deep pit with a troubled look on his face.
What to do?
Should I go down, or back off and find another way out?
If I continue to go down, I may be deeper and deeper, and the hope of someone collecting my corpse will become slimmer.
However, even if I don't go down, it is unrealistic to expect the people at the base to dig me out from more than 20 meters deep with limited conditions.
Thinking back to the forks he had passed before, he couldn't help but feel a chill down his spine.
Thinking that the situation couldn't be worse than it was now, he gritted his teeth and made a decision. With the help of the multifunctional shovel in his hand, he bravely slid down the deep pit in front of him.
He slid down the nearly vertical passage.
This time, when his feet touched the ground, it was unexpectedly much smoother than before.
Maybe …
This is the real "bottom"?
Just as Fan Tong thought about this, he stood up and looked forward. His whole person suddenly seemed to be dumbfounded, and he was dumbfounded.
With the light from the flashlight, he looked at the almost steep corridor in front of him. It took him a long time to digest the shock in his heart. He slowly squeezed out a sentence from his lips.
"F * ck!
"This … is f * cking … It's a fortress!"
A series of reddish-brown stone monuments about two meters high stood on both sides of the corridor, like stone pillars standing in the corridor, connecting the ceiling and the ground. The complex patterns were exposed on the surface of the stone monument. Although it was blurred to the point that its original face could not be seen clearly, there were still traces of carvings on it.
Everything in front of him could no longer be explained by simple geology.
No matter from which angle, it didn't look natural.
They were like works of art …
A pile of works of art located in ancient ruins …
Muttering to himself excitedly, Fan Tong aimed the flashlight and the camera on his helmet at the row of sculptures that looked like cultural relics and pressed the shutter frantically.
If it weren't for the fact that there was no signal, he really wanted to report everything he saw here to the base.
All the discoveries along the way couldn't compare to what he found here.
There are traces of civilization activities underground on Mars!
At least they existed!
Human civilization is not the only one in the universe!
They are not alone!
He could almost imagine what kind of sensation this news would cause on Earth if it was made public. The excitement of discovering treasures almost made him want to shout out loud.
"The material is the same as the sand outside, basically weathered into hematite!"
"The totem of the Martian civilization? Or some kind of ritual object? Or some kind of handicraft … "
"Wait …"
A hint of surprise came from his mouth. When he fumbled around and found a stone monument that was relatively more damaged, he used the multifunctional shovel he carried to try to knock off the oxide layer on the surface. However, he discovered that the interior of the entire stone monument was not as he had imagined. It was completely made of hematite.
In fact, it was the opposite …
The material included was calcium carbonate mineral, which contained almost no iron.
"Calcium carbonate mineral … No, this should be some kind of biomass fossil, and it probably formed a long time ago. It looks older than the trilobite fossils on Earth."
Fan Tong muttered to himself. He carefully sampled five rock particles of equal size and put them in a sample bag for preservation.
"I didn't expect that one day I would have to be an archaeologist."
The outside was hematite, and the inside was biomass fossil. Going back in time to before the complete weathering, he inferred that the shell of this thing should be some kind of iron-based alloy material, like a coffin to seal some kind of living creature inside.
His intuition told him that this might be a place similar to a cemetery.
Although there were other explanations, this was undoubtedly the most likely one.
Fan Tong clenched the multifunctional shovel in his hand and continued to move forward along this corridor that exuded an ominous atmosphere. Although the shovel in his hand didn't give him a sense of security, it was better than nothing.
Contrary to the situation encountered before, as he continued to go deeper into the corridor, the road ahead suddenly became wider.
Especially when he stepped into a spacious' hall ', he instantly had a feeling of being enlightened.
However, just as he was about to move forward, he was surprised to find that his knees seemed to have hit an invisible wall, and he could not take another step forward.
Just when he was feeling the invisible wall in front of him in confusion, a strange scene suddenly happened.
The signal sign on the wrist-mounted computer suddenly changed from a cross to a full bar.
Fan Tong was stunned for a moment. He noticed the flashing signal light and subconsciously restarted the communication module.
A series of noisy current sounds quickly came from the communication channel.
He looked at the signal on the wrist-mounted computer disappointedly, guessing that this was probably some kind of naturally formed electromagnetic wave. Suddenly, an intermittent sound rang in his ears without warning.
"Ahem."
"… Can you hear me?"
(I already have three stars in mathematics, don't forget to make a heart ~)
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