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The boy's answer confirmed Wu Zhongyuan's guess that the giant bird the boy saw earlier was the Qingluan transformed by Jiang Nan.

After confirming this, we can no longer proceed in the form of conversation. We have to rush to the place where the boy met Qingluan to learn more in detail.

Today is Saturday and students have a holiday tomorrow. It is almost time for school to end. Wu Zhongyuan and two staff members took the boy and the class teacher to the place where the boy met Qingluan.

There are many mountains in Hunan, at least in this area. Compared with the mountains in the north, the mountains in Hunan are higher and denser. One after another, the mountains are very steep. The roads in this area are all winding roads, and cars coming from the opposite direction You have to be very careful when you miss a car. There is a sharp turn every few hundred meters. When you turn, you can't see the situation on the other side. You can only keep honking the horn to remind oncoming cars to pay attention to safety.

Twenty minutes later, a group of people arrived at the location where the boy found Qingluan. This was an unnamed valley between two peaks, running vertically from north to south. This is where the boy discovered Qingluan. At that time, Qingluan was heading from the east. Flying westward across the valley, the whole process lasted about five seconds from the time the boy spotted Qingluan to the time it disappeared.

Five seconds is not long, but it is enough for the boy to see the specific situation of Qingluan. However, the boy has never seen this giant bird before and does not know how to describe it accurately.

Now that it was certain that the Qingluan was Jiang Nan, Wu Zhongyuan focused on the specific details. He first determined the flying height of the Qingluan. Although the boy could not accurately specify the height, he saw the Qingluan flying by. The trees on the top of the mountain swayed when they reached the top of the mountain, which showed that Qingluan's flight height was not high and it flew close to the top of the mountain.

The reason why birds can fly is because flapping their wings generates lift. However, relying solely on flapping wings to generate lift will seriously consume physical strength. Therefore, most birds will rise to a certain height during long-distance flights and use high-altitude airflow to fly. In flight, Qingluan flew close to the top of the mountain, and its body swayed unsteadily while flying. There are only two reasonable explanations. One is that it was injured and could not fly high. The second is to take advantage of the mountainous terrain here to avoid pursuit.

But the boy only saw Qingluan and not other birds. Therefore, the first possibility is relatively high, but there is a third possibility, which is that Jiang Nan cannot tolerate modern air and can only survive when there is relatively sufficient oxygen. Anyone who has studied physics knows that when flying at low altitude, the higher the altitude, the lower the oxygen content. Jiang Nan's low-altitude flight and swaying body are just a manifestation of hypoxia.

Wu Zhongyuan then asked the boy to describe and illustrate the amplitude of the Qingluan's swing. According to the boy's description, the Qingluan flew close to the top of the mountain to the east. After flying over the peak, the flight amplitude decreased, and it flew to the west. He slowly flapped his wings a few times before reaching the peak facing him, and then he reached the height of the peak to the west and flew close to the top of the mountain.

Each of Wu Zhongyuan's questions has a clear purpose. Through the boy's description,

It can be determined that Jiang Nan's condition is very bad, and he cannot even maintain a level flight of twenty miles. The two peaks look very close, but in fact the straight-line distance should be twenty miles. If the situation is not bad, Jiang Nan cannot even fly twenty miles. Level flight could not be maintained.

In addition to this, there is another possibility, that is, Jiang Nan deliberately flew low to avoid being chased. However, this possibility is unlikely, because after Qingluan flew over, the boy did not immediately look away, but raised his head and looked back. After observing for a while, he continued on his way. According to his own recollection, the time he spent looking up and continuing to observe should have been more than ten seconds.

Finally, Wu Zhongyuan asked the boy to point out the trees that shook and swayed when Qingluan flew over the two peaks. The boy could not point out the specific trees, but could only point out the general area.

These were the only clues the boy knew. When he was sure that the boy could no longer provide any valuable clues, Wu Zhongyuan walked away alone and discussed with the headquarters to give the boy a certain material reward.

According to Wu Zhongyuan's idea, he would give two thousand, but this idea was vetoed by Wang Xinran, who only gave two hundred. It was not that there was no relevant funds, but that giving too much would easily strengthen the matter, and spreading the word would expand the impact.

Although Wu Zhongyuan agreed with Wang Xinran's point of view, he still felt that he couldn't afford two hundred, so he finally compromised and decided to reward one thousand.

Back at the car, Wu Zhongyuan explained to the staff and then ordered them to send the boy and the class teacher home.

Before leaving, the head teacher blushed and asked Wu Zhongyuan for his contact information. The reason was that if he made any new discoveries, he could contact him in time.

Wu Zhongyuan didn't react at first, but after thinking about it, he realized what was going on. This young girl who had just graduated must have fallen in love with him. They were the same age. If he hadn't dropped out of school, he would have been doing an internship at this time.

However, Wu Zhongyuan did not leave contact information for the other party. Firstly, he had no contact information. Secondly, he was disgusted with this little girl's behavior. They had been together for such a short time, and it was impossible for the other party to know much about him. The so-called "fancy" , in fact, I just took a fancy to the uniform on him.

Girls all like men in uniforms, but this kind of preference is extremely blind. There are a large number of girls who date men because of uniforms, but in the end they all fall into the smelly ditch. Uniforms are not necessarily real, to say the least. Even if it is true, there will always be a day when it is taken off. A handsome uniform does not mean a good character. Women should be more objective when choosing a mate and pay more attention to the man's character.

Wu Zhongyuan refused very simply, which made the little girl feel a little embarrassed. Not to mention that Wang Xinran was watching his every move at the headquarters. Even if Wang Xinran didn't know about it, he would not leave any thoughts for him, and he had no intention of stealing melons and picking dates. , Never let the melons and plums fall under the fields. In the face of any form of temptation, as long as you don't give a strong refusal, it means there is a problem with your moral character and you want to give the other party a chance.

After the car drove away, Wu Zhongyuan disappeared and came to the east mountain peak. He stayed on the east mountain top for more than ten minutes and carefully searched the woods where Jiang Nan flew over, but found no clues.

The lack of clues was good news for him. What he was most afraid of was finding blood stains, which meant that Jiang Nan not only couldn't tolerate the modern atmosphere, but was also injured.

While Wu Zhongyuan was busy searching, the headquarters was not idle either. Although there were no air samples from ancient times, it could be roughly deduced from the deterioration of air quality after the Industrial Revolution, combined with the human body's tolerance limit and adaptability, that Jiang Nan could survive in modern times. The survival time is less than half a month, and it can only survive for up to twelve days in the natural environment.

Wu Zhongyuan was greatly surprised when he learned this conclusion, "Is it so serious?"

Wang Xinran's voice came, "Yes, this is still an optimistic estimate. my country ranks first in the world in terms of all pollutant emission indicators and carbon dioxide emission indicators. This is what Wang Jinnan, deputy director and chief engineer of the Environmental Planning Institute of the Ministry of Environmental Protection, said. It was officially announced at the official meeting that modern air quality is really intolerable to people in ancient times, so hurry up, as lung damage that lasts more than nine days will be difficult to reverse."

Wu Zhongyuan didn't reply, and left Dongshan for Xishan. He stayed there for twenty minutes. The reason why he stayed longer than Dongshan was because he had to search for two places, one was the top of Xishan, and the other was where Jiang Nan flapped his wings to increase height. In this area, if Jiang Nan was really injured, blood would most likely drip when he flapped his wings vigorously.

Fortunately, he found no blood stains in Xishan. Sometimes, it is good news that no blood was found.

According to the boy, Jiang Nan went west, but it cannot be concluded that Jiang Nan will continue to go straight west. No one knows where Jiang Nan went. Where should he look next...

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