Chapter 216: earthquake?

Su Chen was shocked. For the first time since he had a system, he saw such an unscientific scene in this world.
A passage appears on a wall, do you dare to believe it?
"What is this, Subspace?"
Ju Ling dispatched a team of soldiers for the first time and stepped into that peculiar space. After about half an hour, these people came out to undergo various inspections.
It was finally determined that there was oxygen in it and there was no virus or the like.
"Commander, the situation inside is unknown. It is recommended that the commander send some soldiers to explore. After confirming 100% safety, the commander will go in again."
Su Chen thinks so too, what his men do is, of course, used to command.
With the order of Su Chen, about 500 soldiers entered. This time the team is quite mixed, not only the red police soldiers, but also other arms. The most strange thing is that Su Chen let ten engineers this time. Followed in.
From the mouth of those researchers, Su Chen knew that there was a certain degree of danger in it, and no one dared to guarantee that it would be safe. The engineer might have a special role.
A group of people walked in, and Su Chen directly changed the soldier's perspective. He saw that it seemed to be a corridor. The walls of the corridor were all silver-white metal. The strangest thing is that this metal does not seem to be a known metal on earth.
"Five hundred meters ahead, no danger was found, and a remote control tank was used to conduct a full range of searches."
Soon, some small remote control tanks appeared, heading deep into the corridor, and on each remote control tank, there was a terrorist robot.
Under such a situation of knowing danger, how could Su Chen be willing to let his soldiers explore with his life? Isn't it better to use technology at this time?
Remote control tanks are all over this strange place, but for the time being there is nothing to discover, as the man said, here is too big.
"Something has been discovered, the No. 3 remote control tank found a room, and the contents inside seem to be evacuated, leaving only some instruments that do not know what role it is." Ju Ling reported to Su Chen.
"Take the picture."
Soon, a picture appeared in front of Su Chen. This is a picture of a remote control tank. In the picture, this is a room comparable to the size of a football field, filled with all kinds of weird instruments, but all are broken. Everything else is gone, it seems to be taken away.
This made Su Chen think of what the person said. Once they had entered here and got some technology. It seems that this is the room they found.
"continue searching."
Several rooms were found in the back, but the difference is that there are actually some soil and plants in those rooms, which looks like a small ecological circle.
Outside these rooms, there are some traps, several remote control tanks have been destroyed, and the terrorist robots have escaped those attacks with unparalleled flexibility. These pictures are all transmitted by the terrorist robots.
"Go inside and see what is there, the three ecosystems, are there still prehistoric civilizations in humans?" Su Chen was very curious.
After the horror robot walked in a circle, no humans or creatures were found. It seems that there are everything but creatures here.
Su Chen was a little puzzled now, what the is this place?
With the passage of time, the gate seemed to be gradually closed, Ju Ling let the gate be shot directly, and the gate was restored again.
It took nearly a week for them to finish exploring this place.
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"The commander, after our investigation, found that this is indeed the place left by prehistoric civilization, but the humans living in it seem to be dead, the cause of death is unknown, and no body was found." Ju Ling said.
"In it, we found some specimens of prehistoric civilization, and a lot of information about prehistoric civilization, which is being analyzed. The technology of prehistoric civilization seems to be passed down."
In short, no technology was obtained for this site excavation, only an empty site.
"There is no mention of that space in the data?"
"I don't know."
"Wait until the data analysis is completed, you tell me, are you sure there is no danger in it?" Su Chen should be cautious about this.
"It has been 100% certain that there is no danger in it, and every inch of land has soldiers walking by, to ensure that there will be no accidents."
The commander was about to get in, how could Ju Ling carelessly.
After a while, Su Chen appeared in an ecosystem here.
He looked around. If it were not a silver metal wall on the edge, he might think he was standing in some primitive forest on the earth. This is all too real.
Looking up, I can actually see the blue sky and white clouds, which is unbelievable.
"Is the blue sky and white clouds true?" Su Chen asked Ju Ling around him.
"Understood, I let a rocket pilot fly into the sky, but he flew for a long time and could not reach the top, but when he came down, it didn't take much time."
Su Chen narrowed his eyes. He knew that there were still many techniques that could be tapped. Unfortunately, he couldn't get started. It is estimated that even if Yun Ru came to study, there was no way to know the principle.
"Should I really say that it is the site of prehistoric civilization? There are such powerful technologies. I'm curious. With such a powerful technology, how did prehistoric civilization be destroyed?" Su Chen murmured.
Su Chen continued to walk forward. According to the soldiers ’investigation, the scope of this ecological circle is about the size of ten football fields. There are many plants living in it, none of which are known to them, and may be prehistoric. plant.
Su Chen saw that there are at least ten different kinds of fruits growing on a tree. If it is outside, it is estimated that this is a hybrid product.
"These plants are just left here. It's too wasteful. Can you distinguish the usefulness of these plants and plant them on a large scale outside?" Su Chen asked.
"I'll let people do research, please ask the commander to wait and see."
Ju Ling is very clever. These plants that can be placed here by prehistoric civilizations certainly have unusual places. If they are planted outside, they may change the current habits of human beings.
At present, the staple food of human beings is a kind of protein food made from worms. The meat of mutant animals can only be eaten by a small part of the extraordinary, and ordinary people cannot.
But now that there are no threats in human territory, then humans can walk out of the base city and reclaim the land outside. The planting industry may gradually recover. These prehistoric plants may play a big role.
The two walked in the forest, and suddenly there was a violent shaking.
"Earthquake?" Su Chen was startled.
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