Huang Ji goes to bed at twelve and gets up at nine the next day.

No way, he just wants to sleep longer than others, because his mind is too tired

In his deep sleep, he had a dream.

In his dream, he seemed to see an elephant trampling on the farmland and gnawing at the crops.

Local farmers, very dissatisfied, dug traps near the farmland to lure elephants to step in and sink in the pit.

In the end, apparently, the elephant was killed by the farmers.

This is the last elephant in Henan Province. After that, the Central Plains elephant became extinct.

Huang Ji wakes up and plays a set of Internal Classic. From the first group to the fourth group, he practices all of them once.

Then he brushed his teeth and washed his face and came to the front hall.

Lin Li is sleeping on the carpet in the front hall. Don't ask him. Huang Ji also knows that he stayed up late last night and didn't go to bed until dawn.

There is no great progress, that is to say, we succeeded twice, but we lost 20 hours of life because of staying up late

Huang Ji shook his head, did not wake him up, went out to buy breakfast.

He came back and sat on the sofa, had porridge and eggs, and continued to read.

"I dreamt of an elephant in the Central Plains. Yes, it was the last historical record I saw before I went to bed."

In the past, there were many elephants in Henan Province

Before Huang Ji went to bed, he saw a document about farmers killing elephants in the early Northern Song Dynasty.

This It is also the last wild elephant in the history of Henan Province.

After more than a thousand years, there were no more wild elephants in the north.

"Why did the Central Plains elephant become extinct?" Looking through the history books, Huang Ji can't help thinking out the answer to this question.

There is no doubt that it must be human extinction, but Huang Ji wants to give a more detailed historical process.

Once he succeeds, the information of the past state will be unlocked, so that we can go back to the past, see through the historical development process of all things, and push back the past.

"Although the last elephant died in the early Northern Song Dynasty, as early as the Han Dynasty, there was no wild elephant in the north."

"Cao Chong, a famous elephant, was also paid tribute by the elephant found in Guangdong and Guangxi by Sun Quan in the south. Obviously, at that time, even if there were elephants in the north, they were extremely endangered and remained in the mountains and forests of Henan Province

"According to the records of the spring and Autumn Annals of the Lu family," the merchants clothed the elephants and abused the Dongyi people. As for the south of the Yangtze River, "in the war between yin and Zhou, elephant soldiers had been developed, and there were still many elephants in the Central Plains at that time."

"But the Shang Dynasty hunted and killed wild elephants in large numbers, and a large number of ivory and ivory products were excavated in the Yin Ruins of Anyang. Wild elephants were hunted and killed in the Shang Dynasty, and many of them were expelled to the south by Duke Zhou. Therefore, there are almost no elephants in Henan Province except in the mountains and forests, and they are on the verge of extinction. If it is found out later, it will be hunted and killed. Isn't it a complete extinction? "

Huang Ji thinks that it is no problem to deduce that the central elephant was exterminated because of the indiscriminate hunting and killing of human beings.

The root of all this lies in the fact that the Shang people loved ivory, so that there were only two or three big cats and kittens left in the Central Plains of Henan Province.

However, Huang did not find that the past state was unlocked.

This means that he used the wrong concept, or the derivation was completely wrong.

"Isn't it right?"

Huang Ji tilted his head. Did the Central Plains elephant not become extinct because of the indiscriminate hunting and killing of human beings?

Why do you think so Earlier, there was a legend that Emperor Shun was enslaved to the elephant: "Shun cultivated in Lishan Mountain. It's like ploughing for it, and there's a bird for it. "

Is it that in the era when elephants can cultivate land, they have already begun to hunt and kill crazily?

Huang Ji pondered and tried to deduce the historical process that the Central Plains elephants were hunted and killed in ancient times and became endangered.

However Still wrong!

Huang Ji frowned. He could have gotten a better one, but he still chose to deduce this one.

He did not believe that the extinction of an elephant is so difficult to deduce?

Then, until 1 p.m., he couldn't deduce the right answer.

"How did the elephant die out?" Huang Ji thought hard with his eyes closed.

Don't say the correct answer. In fact, as long as the concept used is correct, the process is basically correct, and the result is basically correct, then it can be unlocked.

After he tried to unlock all kinds of future experiences, he could not unlock them.

It means that the derivation is fundamentally wrong.

"Big brother?" Lin Li stretched out a stretch to wake up. It seems that he was startled by Huang Ji.

"How did the elephants in Henan Province die out Huang Ji asked him casually.

Lin Li was shocked and said, "ah? There are still elephants in Henan Province? Aren't elephants in Africa and Southeast Asia? "

“…… Forget it. Let's go out to dinner. " Huang Ji said.

It's time for Huang Ji to think about the treatment. After lunch, he took Lin Li to look for something in the street, and soon he found the information he wanted.It was a telegraph pole, covered with all kinds of small advertisements.

What is finally saved, what money to ask for children, what to look for dog notices, everything.

Pointing to the bottom of the pole, Huang Ji pointed to a little-known advertisement sticker with the size of a business card, saying, "please contact this person and get me a diploma and medical qualification certificate."

Lin Li nodded, pointing to the wire pole, at the height of his face, a particularly striking advertisement, which is also a fake certificate, said, "why don't you contact this one?"

"You see, his introduction is more detailed, and the advertising paper is bigger than other ones, and the position is also very eye-catching. You can see that he is the elite in the industry in handling fake certificates..."

After hearing this, Huang Ji on one side was dumbfounded.

Lin Li thinks that the bigger and more eye-catching this kind of small advertisement is, the more capable it must be.

However, this is obviously a typical misunderstanding of thinking. It is absolutely unreasonable to think carefully.

"Isn't it?" Lin Li sees Huang Ji to lose smile, can't help but ask a way.

Huang Ji said with a smile: "the people who pasted this advertisement are really attentive and have taken the best position. The paper they use is bigger than others. Maybe they check it every day. If they find that they are covered or torn off by their peers, they will paste it again. So we can come here at any time and it can be in the best position."

"But it can only show that his advertising skills are better than others, and he can publicize them. What does it have to do with his ability to handle fake certificates? Not to mention the industry elite. "

"I don't even think he's in the class!"

Lin Li scratched his head.

Huang Ji said, "well, the person who pastes the fake card advertisement so well has probably been arrested..."

"This..." Lin Li was stunned, then suddenly.

If the advertisement is so good, the business may be better than others for a while, but after all, it is a violation and will not last for a long time.

Such a high profile, even if not arrested now, I am afraid it will be soon.

In contrast, their own small ads, posted in a humble place, is the real evergreen tree in the industry, the card old doggerel.

Even if it takes a long time to wait for a guest, it doesn't matter. It's better to be stable, and you can eat repeat customers and use guests to attract new guests.

The purpose of putting up small advertisements is just to attract the first guest.

People who can do this must be very confident in their own skills, otherwise how to eat?

On the other hand, the people who work hard on propaganda may be a reflection of their lack of confidence in technology.

Huang Ji said, "what's the use of sticking it up? What's the use of even good technology? No matter how good the technique of applying for fake certificate, the police and the police will not catch it? Business is good, big trees attract wind, and death is faster. Long flowing water is the king's way. "

Speaking of this, he himself was stunned.

Lin Li is still nodding at one side, but is patted on the shoulder by Huang Ji.

"Yes Large, powerful and versatile species are not successful. Only by living long can we really succeed. If you want to live long, you have to adapt to the environment. " Huang Ji said. He thought about the problem.

Lin Li blinked and said, "ah? Is it possible to get rid of the fittest when applying for fake certificates

"There is no survival of the fittest, only the fittest survive." Huang Ji corrected: "the success of a species does not depend on whether it is strong or not. You can't beat me, but can I say that you are inferior?"

"On the contrary, the higher the niche, the more likely it is to die out, because it is difficult for them to adapt to the environment!"

"Dinosaurs were strong enough to occupy the upper and middle niches, while mammalian ancestors were very weak at the bottom of the food chain. But after a disaster, the dinosaurs all disappeared, and the weak mammal ancestors survived. Who do you say is better or worse? "

Lin Li scratched his head and said, "yes I remember, big brother, but what do you tell me about this? "

"Nothing..." Huang Ji smiles and begins to deduce the extinction of the Central Plains elephant.

In the early years of the Northern Song Dynasty, a large number of mountains were developed, and the woodland was cut down. Wild elephants had no place to forage or hide, so they could only break into human habitat to eat crops.

It's human. No doubt, it's dead.

This is the cause of the last elephant's death. It is not the killing of human beings, but the force of environment.

The people of the Shang Dynasty were really easy to kill. They killed a large number of wild elephants to obtain ivory, but they did not kill the wild elephants for hundreds of years, indicating that they were also breeding or killing them regularly and moderately.

Henan Province was one of the most suitable places for agriculture at that time. Instead of killing the enemy's war elephants, Duke Zhou expelled them to the south. The reason for the expulsion was to prevent elephants from trampling on the farmland. At that time, Henan Province had been developed in a large number, which was not enough to support so many wild elephants.

"The change of the environment is probably due to human beings, but the direct definition is the cause of human beings. It is definitely not in line with the attitude of exploring history to combine the clues in the literature on this premise."

"The extinction of the Central Plains elephant is due to the loss of habitat. Most of the habitat loss is caused by human beings, but it is due to the development of agriculture. ""No, agriculture is only a later process. It was earlier that led to the mass migration and death of elephant herds The Yellow River

Huang Ji is also a top expert in the field of biology. However, when he deduces the extinction process of a species, he does not comprehensively consider the impact of environment on species.

It is because he has just mastered the research methods of historians, and he is eager to find clues from the literature.

But I don't know that literature is useless. Deducing the historical process of a thing must be considered from all aspects. The more knowledge is used, the closer the result is to the truth.

A simple historian can't test ancient. All the top archaeologists are biologists and geologists at the same time Even anthropologists.

When Huang Ji understood this, the past state of information was opened.

"Concrete floor?" Huang Ji turned his head and walked into the park next to him.

In the park, he looked at the earth under his feet, where he stood. Time seemed to be flowing backwards. He was looking back on its past!

"Hiss..." Huang Ji felt that the brain could not bear it and quickly blocked most of the information.

He didn't want anything else. He only accepted geological information, which reduced the pressure.

One hundred years Two hundred years A thousand years Two thousand years 2500 years This is the capital of South Korea.

"Hiss, ER! Even if we only accept geological information, can't it be done in 2500 years? There was a geological change in 2500 years

The Yellow electrode shields it and then the pressure disappears.

"Well?" Huang Ji soon found that he could trace back to ancient times, but the content was blocked.

When rehearsing the future, it is difficult to trace it for a long time because time is passing by and every moment is changing. Therefore, Huang Ji is under impact all the time. If the duration of the preview is very short, he will be dizzy.

But the past state of information will not change!

History is history. Now even if the earth is destroyed, history is the same. Will not change the information, today perception is like this, tomorrow perception or that!

So he doesn't have to worry at all. Anyway, history will not change. He reverses it thousands of years ago in the shielding state, and then removes the shield. There is no pressure at all.

Don't push back for thousands of years, even if it lasts for thousands of years.

History is there. He is just inquiring, not deducing. It's not the same as the future.

The only limitation is the amount of information. He can only roughly check the context. If he knows too many more detailed details in a short time, he will be dizzy.

Huang Ji closed his eyes, and soon felt that 4000 years ago, the whole country was covered here!

The place where he is, the five senses around him, is full of floods! The waves are directly over here!

"If you can't see anything just by looking at the geology, let's open up some more..." Huang Ji released the shield and felt a sharp headache for a while.

But correspondingly, he also knew what the flood was about

Three hundred and fifty years ago, an earthquake struck the upper reaches of the Yellow River, forming a natural flood storage dam. Half a year later, the dam burst suddenly and the middle and lower reaches were flooded.

Huang Ji keeps micro operation. In order to ensure that he can bear the pressure, he is purposeful to query some information. If he doesn't want to know for the time being, all information will be blocked. If he wants to know, he can open the information.

So repeatedly, he gradually understood the real cause of the extinction of the Central Plains elephant.

The flood lasted intermittently and periodically for 42 years, even destroying many ancient small countries.

The people in the middle and lower reaches of the river are in dire straits, and their civilization has been severely damaged. Just under his feet, there is an ancient city buried by flood and sediment.

As the Yellow River passes through Xinzheng, it can be imagined that the whole Henan Province has a dense water network and will almost certainly flood in the rainy season.

"The old river course has been washed away, and the flood is intermittent. It comes and goes back again and again People are eager to govern it. "

"So after forty-two years, three generations, and finally in the hands of Dayu, people finally managed it."

For their own survival, the people in this area, along with the mountains, dredged rivers, dredged floods, adapted to the disaster.

Human beings are the species that will take the initiative to transform the nature. This wisdom is also part of the adaptation of human beings to the environment. However, they have adapted, and some of the animals originally living in the Yellow River Basin have been extinct.

The mutation of ecological environment will lead to the extinction of some species that cannot adapt. The higher the niche, the more difficult it is to adapt to the mutation of external environment.

Central Plains elephants, they used to be the top of the food chain, in the case of excluding humans, they have no natural enemies.

Floods have a great impact on human beings, as well as elephants, directly leading to the death of a large number of wild elephants.

However, this will not make them extinct. It is Dayu's flood control that makes the wild elephants extremely endangered!

Dayu dredged the waterway, and then diverted the Yellow River to the north So that most of Henan Province is located in the south of the river.This is not the point yet. The key is that he has opened mountains and rivers, cut a lot of tributaries manually, and destroyed many animal habitats

Natural disasters and human disasters have been used to attack wild elephants for many periods in 42 years, and the environment has changed dramatically.

After two sets of baptism, wild elephant still survived tenaciously, but it ushered in the third wave of chronic attack Agricultural development

Dayu is undoubtedly helpful for the development of agriculture. Beside the artificially excavated River, human beings have established their own new gathering area to irrigate farmland by tributaries. This water conservancy project makes agriculture advance rapidly.

But it's not good for wild elephants, but they are desperate because they lose large water sources, and elephants have to drink a lot of water every day.

It is impossible for humans to allow them to approach the rivers that irrigate farmland, near the water conservancy projects that they have spent three generations and have been hard to build

So far, Yu controlled the water, Yu Zubu Jiuzhou, and defined the south of the river as "Yu Prefecture". But the fertile plain of Henan Province, which was originally run by wild elephants, had no trace of wild elephants. Except for the migration, only a few could survive in the mountains and forests until extinction.

Huang Ji Wan didn't expect: "Dayu, it was you..."

"That is nature. Saving our fellow citizens requires the damage of other species. "And when someone cheers, someone will cry."

……

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