A Million Possible

Humans stopped.

Cheng Lin was surprised to see that people stopped digging down after reaching a certain depth underground, probably because the depth was no longer cold, and then they began to expand horizontally, and the scale of the entire underground city was rapidly expanding.

"From the vertical to the horizontal, is it to recuperate and develop productivity?"

Cheng Lin thought that during the excavation period, the food accumulated on the surface was mainly consumed, while the establishment of underground cities required more diverse energy supplies and food sources. This is a problem that humans need to overcome.

The details are not visible in the picture, but through the overall macro control, Cheng Lin is pleased to see that the underground city is gradually prospering, and the population seems to have finally stopped the downward trend and began to slowly rise.

At this time, the overall structure of the entire underground city has been very complicated and chaotic. After the initial hasty and desperate excavation, people have finally begun to seriously transform the living environment. This reminds Cheng Lin of the "historical inevitability", such as first After the pollution is treated, the economics and then the culture is the item. Nowadays, the residents of the underground city seem to be making this kind of transformation.

It seems that some social changes have taken place during this period. Cheng Lin discovered that during a certain period of time, people stopped working and started fighting. Even if he could not see the specific situation of the struggle, the overall situation was very clear.

"In the beginning, everything was for survival, and other things were ignored. Now it has started to gain a foothold, so changes in the social structure have begun to take place."

Cheng Lin was not surprised by this.

From the ground to the underground, this is simply a change in survival, science, and production methods. This is the most obvious change, and the more invisible change lies in the fragmentation of the entire world and the destruction of the original order.

"For example, one of the serious problems is information isolation. After the world has been frozen, people in various regions have moved underground at the same time, so the large structure of global information communication has hit a devastating blow.

Originally on the ground, it started from the era of great navigation, and the global information exchange has completely ended. Each dungeon is an independent individual.

Information is blocked, trade is stopped, and limited communication can only be carried out with a few surrounding dungeons. This is bound to cause a retrograde impact on the human society. "

Cheng Lin floated in the air, muttering to himself facing the huge "hockey puck" in front of him alone.

This change in form may also breed new ideologies... But these cannot be seen with the eyes, he can only secretly guess.

However, the overall transition is still relatively stable. This is good news. Cheng Lin is really worried that human beings have survived the cold winter but died in internal fighting.

Finally, the horizontal expansion of the dungeon also stopped. Several passages touched the veins and underground resources, coal, geothermal, ore, underground rivers... they even started the cultivation of the underlying plants.

A truly underground city appeared.

Then, Cheng Lin discovered that humans began to build passages to the surface in reverse, mainly to stabilize vent holes. The oxygen content in the ground was low. The vent holes must be dug to keep the airflow unobstructed. However, the vent holes are often buried by wind and snow. Someone is resident to clean up.

Thus, a surface "observation station" based on vents was established.

"Is it a mountain to be used?"

Cheng Lin was surprised to see that the observation station was not built in the city, but was dug through a tunnel, leading directly to the nearby mountain peak.

"Simply put, it is to hollow out the inside of the mountain and make holes on the side of the mountain. This can ensure the safety of the stomata to the greatest extent and not be blocked. At the same time, it also provides enough living and storage space for the observation station, as well as observation. The height of the field of view."

Cheng Lin quickly realized human intentions.

This is a very clever approach.

"There are snowmobiles..."

Cheng Lin saw that after the observatory was established, a strange snowmobile appeared from the snow-capped mountains. A strong practitioner started to make short-distance operations on the surface, explore the surface, collect and transport supplies, and draw maps.

"Humans still don't give up on the ground."

Cheng Lin sighed.

However, such exploration is ultimately limited. The main task of the observatory is to maintain vents and try to rebuild radio-based global communications... Snowstorms and the turbulent Spiritual Qi between the sky and the earth have made the transmission of communication signals very difficult, and the radio is very weak. Fast, only a certain radius of communication can be carried out.

In addition, it is to faithfully record the changes in surface temperature every day, trying to wait for the day when the world "thaws", expecting the glaciers to melt and return to the surface.

Unanimously, underground cities all over the world have staged almost the same process, so observing stations built on mountain peaks stand up.

No communication, no communication, but all underground cities made the same decision.

This is not difficult to understand.

"Probably... all human beings are eager to return to the ground in their hearts."

...

...

Cheng Lin found that his own perspective ability had disappeared, and his body also fell rapidly.

"Has the acceleration of time stopped?"

He thought to himself, unfolding his body control, making himself fall to the ground steadily.

"puff."

When his legs touched the ground, he instantly fell into the snow due to gravity, and his whole body was buried.

"change!"

He was slightly taken aback, waited for a while, confirmed that the time was no longer accelerating, and started up Spiritual Qi, spit out a word.

In an instant, two fireballs appeared around his body.

The low-temperature fireball is no longer suitable for Cheng Lin to fight, but it is still very comfortable to use as an aid. The two fireballs quickly melted away the snow and spun around him quickly.

Soon, the snow covering several meters around Cheng Lin was melted.

"receive."

Cheng Lin waved away the fireball and stood in a nearly perfect circular snow pit looking up at the sky.

The weather today is exceptionally good.

It was still cold, but the sun was shining, the sky was exceptionally clear, and the world was extremely quiet.

The world is exceptionally bright.

It was caused by the snow reflecting off the sun. The atmosphere had been destroyed, but the condition was okay. Cheng Lin took a deep breath, and the cold air entered the lung tubes, causing him to shiver subconsciously, as if it were a hot summer drink. After taking a big mouthful of ice water, the pores all over her body shrank.

"If you don't have the cold-killing attribute, I'm afraid it's not just irritation, it's painful." Cheng Lin thought.

[Fifty years have passed, and the rest of the world’s human beings have moved into the ground several thousand meters below ground and started a new life, and on the ground, a new ecology has already formed]

[The arrival of the blizzard killed most of the creatures, but after all, some creatures that were good at resisting the cold survived strongly and began to thrive]

[The appearance of the cold wave is accompanied by a more violent and full-bodied Spiritual Qi. This Spiritual Qi makes many plants take the lead in upgrading, becoming extremely cold-resistant, with extremely deep roots, suitable for survival in glacial snowfields]

[With plants, animals have a source of food, and the violent Spiritual Qi and cold have led to rapid transformation of global creatures within decades. The cruel living environment has brought opportunities, and creatures living on the surface have begun to usher in A wide range of awakening, with stronger physique, combat power, and moderate intelligence, almost all creatures that have not been awakened die, and the surface creatures ushered in a new round of reshuffle]

[Because human beings have gone underground, they have retained a larger population, but at the same time, they have lost the opportunity to awaken on a large scale. Except for a small number of human practitioners, most of them are still ordinary people.]

[The world has formed a new ecosystem layer, this time, human beings finally lost the status of ground dominance]

Information emerged in my mind.

While reading, Cheng Lin walked out of the snow pit. The ground was not soft. Except for the soft snow layer of tens of centimeters on the outermost surface, most of it was hard ice.

This allowed him to walk smoothly on the desolate and icy surface.

"Sure enough, there is a new ecology."

Standing on the frozen ground, Cheng Lin dusted his clothes casually, looked up and saw that there was a forest on the snowy field. The trees were dark, wide and stretched out, as if they were trying their best to absorb the sunlight.

It looks distorted and arrogant, probably because no one looks at it, so it grows casually and ugly.

There were other black, red, and orange weird-shaped grasses in the woods, and even some of the fruits, which turned out to be alive, which surprised him.

"I thought that the world would become extremely desolate, but I didn't expect...life can always adapt to the environment...Of course, those who don't adapt are eliminated."

Cheng Lin walked over.

Naturally, a strong fire element was felt on these black trees.

"These trees are also spiritual plants transformed by Spiritual Qi, but the spiritual plants in my mind used to refer to grass, flowers, or fruits. The entire forest is spiritual plants... it's really rare."

Cheng Lin touched the dark, weird-looking tree trunk and looked around, but no animals were found.

"What about animals? Didn't it mean that there are many awakened animals alive?"

He asked curiously.

[Open the task system, please follow the prompts, complete the series of tasks, after the completion of the deduction, you will be rewarded]

[Task (Part 1): In order to find food, a group of snow beasts began to migrate and will soon enter the underground city you are in. You need to rush to Observation Station No. 5 and tell the stationed personnel the news]

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