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The decoration of the communication room is as simple as that of the library, with white walls and gray bricks, and two retro-style telephone booths standing in the center.Yan Lang tentatively swiped his bracelet, "Ding Dong." The door of the phone booth opened, and Yan Lang walked in.There was no coin-operated telephone in the phone booth, and it was very narrow, allowing only one person to stand. Surrounded by spongy jelly, Yan Lang was tightly squeezed in the center, leaving his head free to turn.

Feeling like being hugged tightly by a telephone booth, Yan Lang adjusted his standing posture, and the sponge colloid changed shape due to Yan Lang's posture, and it was close to him airtightly, just like a canned food packed out of the factory.The entire telephone booth was powered on, and there was a small sound of parts moving, Yan Lang's head went numb, and he closed his eyes and fell unconscious in the sponge jelly.

When Yan Lang regained consciousness, he was located in a telephone booth. There was no thick sponge in this telephone booth, but a simple blue box.

Wait... the street?

Yan Lang stretched out his hand to push the door, his arm went through the door panel, he caught nothing.

He is a disembodied projection.

Yan Lang walked through the wall of the box to the street in a novel way, and people walked around Yan Lang consciously.Yan Lang looked up, and there was a line of small characters [Taiyuan Underground City B64] floating on the ceiling about four meters high.

The crowd on the street has numb expressions and is in a hurry. They are uniformly dressed in blue clothes and blue trousers. Some clothes are faded due to excessive starching. Dark blue and light blue are mixed, like patches of dark clouds.There are no cars on the spacious eight lanes, and the lanes are divided by wooden fences. People walk in the middle of the fence, which looks weird and orderly.

A small newspaper kiosk stood by the side of the road, Yan Lang walked over and looked up at the picture news displayed on the screen.

[Agronomy Group of the Scientific Research Department newly researched corn No. QU97, which increased yield by 96% compared with No. 60]

[Cockroach invasion occurred in dungeon b10, 5 people died and 2 people were seriously injured]

[The Surface Resources Collection Department of the City Defense Army set off at [-] o'clock yesterday to search the Second Hospital in order to bring back medical equipment to relieve the pressure on the medical centers. 】

[Recruitment Notice of the Second Patrol Regiment of the City Defense Army: Loyalty builds walls and human beings live forever. 】

While Yan Lang was seriously reading the picture news, a sharp cry pierced the sky. People walking on both sides of the road stopped and picked up the weapons closest to them. The calm atmosphere suddenly boiled.It was only then that Yan Lang noticed that there were knives, swords, shovels and other instruments inlaid on the wooden fence that divided the lanes in the middle of the road.The spotlights on the ceiling use light and shadow to simulate invading mutant cockroaches, ants, earthworms and other insects. There are guiding red dots in the projection, and people holding control knives aim at the red dot and attack to destroy the projection.

Yan Lang stood by the newsstand and watched the simulation exercise. The number of insects killed and the number of people injured were displayed on the ceiling, and an exact score was finally obtained.In addition to the scientific research floor, the ranking will be scored every week, and the bottom five floors will receive extra training.

"This is God's genetic screening." The middle-aged man sitting opposite Li Yan said, "If 60 billion people with genetic defects are screened out, the future of the remaining [-] billion people will be bright."

"Where is the light?" Li Yan frowned and retorted, "Those 60 billion people died only because they were unlucky."

"They have genetic defects, that's why they died," the man said, "Why are we bothering to travel back in time to bring them back to life?"

"So that you can sit and drink coffee under the blue sky and white clouds instead of living in the 180th floor underground and making some nasty remarks." Qi Kuo said coldly.

"You!" The middle-aged man slapped the table angrily, "Who asked you to bring him here!"

"Director Zhao, it's too naive to chase people away if you can't make a noise." Li Yan took a sip of tea, "Do you still need the compression reactor?"

Zhao Ziming choked and said in a low voice, "One yard is one yard."

"Whether looking forward or looking backward, we are all for human beings, right." Li Yan smoothed things over, "A community of shared destiny."

"Community of destiny." Zhao Ziming raised his teacup and touched Li Yan, "What I'm worried about is that what we change is not our future."

Li Yan glanced at Qi Kuo and said, "You will know after you try it."

Qi Kuo pursed his lips and remained silent. The fundamental difference between Li Yan and Zhao Ziming lies in the theory of time and space. Li Yan believes in the convergence of timelines, while Zhao Ziming believes in parallel time and space.The theory of timeline convergence refers to changing a certain event in the past, which can affect the direction of time and space in the later period. Therefore, he fully supports Qi Kuo's development of a shuttle to go back to the past, save June 6th, and thus save the present human beings.The theory of parallel time and space means that changing a certain event in the past will extend a new timeline on the old timeline with the change as a node, and the old and new timelines will not interfere with each other. The fact that the Japanese virus leaked will only create a new timeline, and the human beings in the old timeline are still lingering in the dungeon and going extinct.

Different theories of belief lead to debates on resource allocation. Li Yan believes that more resources should be invested in the confinement plan. Take back the territory in your hands and bring humans back to the surface.

As for what Qi Kuo believes... it’s all empty talk outside of practice, Qi Kuo doesn’t know the laws of time and space, whether the timeline ends or parallel time and space, Qi Kuo has only one idea, he wants to send Yan Lang to a safe place, he wants to be strict Lang is alive.

If the timeline ends, the answer will be known when Yan Lang is sent out. Yan Lang successfully prevents the end of the world, and human beings will wake up under the sunshine. If Yan Lang fails to prevent the end of the world, he will still live until the dungeon period.If it is a parallel time and space, it would be even better. Whatever Yan Lang does will generate a new timeline, and the rescue will be successful. Yan Lang will live to old age in the new timeline, but if he fails, Yan Lang will tell Li Yan in the new timeline to close the plan. If there is no way, all resources will be devoted to the manufacture of new weapons and the development of the future of mankind.

No matter how it is considered, it is a business that only makes money but does not lose. Qi Kuo clenched his hands in his pockets tightly, and his nails pierced the original wound, but he did not feel any pain.

It's kind of blood-boiling.

As for why they lied to Yan Lang who lost his memory, it doesn't matter to them, Qi Kuo shrugged his shoulders and stood upright, Qi Kuo himself was not included in the plan.

"The 129th invasion drill is over. 98% of the mutated animals died, and 95% of the humans survived." The mechanical female voice sounded, "The rating is excellent, thank you for your support."

Yan Lang woke up like a dream, watching the people on the street put their weapons back on the railings, and walked towards their respective destinations expressionlessly.

In the whole street, except for the sound of walking, there is no other sound.

Quiet, solemn, depressing.

This is the last days.

Each floor of the dungeon maintains a constant temperature and sufficient oxygen supply. There is no change of seasons, no sunrise and sunset, no rain, snow and hail. The greenhouse generally protects everyone, even if the survivors are not as delicate as flowers.

Yan Lang followed one of them, he was a projection, the person he was following looked at him, did not speak, and continued to move forward. A man in his 40s, of medium build, with a slightly protruding abdomen, thinning hair, sweat dripping from an invasion drill on his forehead, wearing a blue shirt and wearing a pair of cloth shoes.

Yan Lang said, "Hello, where are you going?"

"Factory," the man said, "Is this your first time on the 64th floor?"

"Yes." Yan Lang said.

The man regarded Yan Lang as a researcher. Only the researchers above the 175th floor had no common sense. He said: "The 64th floor is the paper supply floor, and everyone is a paper factory worker."

"How long have you been doing this?" Yan Lang asked.

"Half a year, before I entered the dungeon, I was the CEO of a technology company." The man wiped off the sweat from his temples, "After entering the dungeon, I was first assigned to plant corn on the 23rd floor, and after two months of good performance, I was assigned to a paper mill. .”

"Is there a limit on the number of people entering the dungeon?" Yan Lang asked.

"Everyone must do the test and be stratified according to the test results." The man said, "The more sophisticated the work, the higher the stratum. I can't do anything but grow corn. My employees are assigned a higher stratum than me." .”

"Will anyone be dissatisfied with the result of stratification and refuse to enter the dungeon?" Yan Lang asked.

"Yes, there are too many." The man said, "When the dungeon was first built, the national suicide rate was terribly high."

Yan Lang blinked in confusion: "Why? Is it because you don't want to work?"

"Because of the centralized allocation and management of resources." When it comes to management, the man enters a familiar area with a more vivid expression. The same level, but if the skills of the two people are too far apart, for example, one is a software engineer and the other is a full-time wife, they will also be separated."

"After the outbreak of genetic diseases, many families were torn apart. They were already on the verge of collapse. When entering the dungeon, relatives who depended on each other had to be separated. Some people would definitely jump off the building." The man said, he stopped, and when he reached the factory gate, he took out The work card signaled to the security guard, "Come here, I'm going to work."

"I wish you all the best." Yan Lang said.

"Humanity lasts forever." The man clenched his right fist and hit his left chest.

Yan Lang's eyes were shining, and he imitated the man's movements and responded: "Human beings will last forever."